diff --git a/demo/browser/astronomy.browser.js b/demo/browser/astronomy.browser.js
index 540eeef9..506b2905 100644
--- a/demo/browser/astronomy.browser.js
+++ b/demo/browser/astronomy.browser.js
@@ -6269,7 +6269,7 @@ exports.HorizonFromVector = HorizonFromVector;
  *
  * @param {Spherical} sphere
  *      A structure that contains apparent horizontal coordinates:
- *      `lat` holds the refracted azimuth angle,
+ *      `lat` holds the refracted altitude angle,
  *      `lon` holds the azimuth in degrees clockwise from north,
  *      and `dist` holds the distance from the observer to the object in AU.
  *
diff --git a/demo/nodejs/astronomy.js b/demo/nodejs/astronomy.js
index b82377f3..7f92de7b 100644
--- a/demo/nodejs/astronomy.js
+++ b/demo/nodejs/astronomy.js
@@ -6268,7 +6268,7 @@ exports.HorizonFromVector = HorizonFromVector;
  *
  * @param {Spherical} sphere
  *      A structure that contains apparent horizontal coordinates:
- *      `lat` holds the refracted azimuth angle,
+ *      `lat` holds the refracted altitude angle,
  *      `lon` holds the azimuth in degrees clockwise from north,
  *      and `dist` holds the distance from the observer to the object in AU.
  *
diff --git a/demo/nodejs/calendar/astronomy.ts b/demo/nodejs/calendar/astronomy.ts
index 8342ab85..3f352c4e 100644
--- a/demo/nodejs/calendar/astronomy.ts
+++ b/demo/nodejs/calendar/astronomy.ts
@@ -6980,7 +6980,7 @@ export function HorizonFromVector(vector: Vector, refraction: string): Spherical
  *
  * @param {Spherical} sphere
  *      A structure that contains apparent horizontal coordinates:
- *      `lat` holds the refracted azimuth angle,
+ *      `lat` holds the refracted altitude angle,
  *      `lon` holds the azimuth in degrees clockwise from north,
  *      and `dist` holds the distance from the observer to the object in AU.
  *
diff --git a/demo/python/astronomy.py b/demo/python/astronomy.py
index 373e149f..ed680399 100644
--- a/demo/python/astronomy.py
+++ b/demo/python/astronomy.py
@@ -6985,7 +6985,7 @@ def VectorFromHorizon(sphere, time, refraction):
     ----------
     sphere : Spherical
         A structure that contains apparent horizontal coordinates:
-        `lat` holds the refracted azimuth angle,
+        `lat` holds the refracted altitude angle,
         `lon` holds the azimuth in degrees clockwise from north,
         and `dist` holds the distance from the observer to the object in AU.
     time : Time
diff --git a/generate/template/astronomy.c b/generate/template/astronomy.c
index 80aee82c..6af456f5 100644
--- a/generate/template/astronomy.c
+++ b/generate/template/astronomy.c
@@ -8451,7 +8451,7 @@ astro_spherical_t Astronomy_HorizonFromVector(astro_vector_t vector, astro_refra
  *
  * @param sphere
  *      A structure that contains apparent horizontal coordinates:
- *      `lat` holds the refracted azimuth angle,
+ *      `lat` holds the refracted altitude angle,
  *      `lon` holds the azimuth in degrees clockwise from north,
  *      and `dist` holds the distance from the observer to the object in AU.
  *
diff --git a/generate/template/astronomy.cs b/generate/template/astronomy.cs
index 95baa46e..3ad2b065 100644
--- a/generate/template/astronomy.cs
+++ b/generate/template/astronomy.cs
@@ -9215,7 +9215,7 @@ $ASTRO_JUPITER_MOONS();
         /// </summary>
         /// <param name="sphere">
         /// A structure that contains apparent horizontal coordinates:
-        /// `lat` holds the refracted azimuth angle,
+        /// `lat` holds the refracted altitude angle,
         /// `lon` holds the azimuth in degrees clockwise from north,
         /// and `dist` holds the distance from the observer to the object in AU.
         /// </param>
diff --git a/generate/template/astronomy.kt b/generate/template/astronomy.kt
index 33edbcc3..a67959cd 100644
--- a/generate/template/astronomy.kt
+++ b/generate/template/astronomy.kt
@@ -1359,7 +1359,7 @@ data class Spherical(
      * Given apparent angular horizontal coordinates, calculate the unrefracted horizontal vector.
      *
      * Assumes `this` contains apparent horizontal coordinates:
-     * `lat` holds the refracted azimuth angle,
+     * `lat` holds the refracted altitude angle,
      * `lon` holds the azimuth in degrees clockwise from north,
      * and `dist` holds the distance from the observer to the object in AU.
      *
diff --git a/generate/template/astronomy.py b/generate/template/astronomy.py
index b92c4d01..cabe963c 100644
--- a/generate/template/astronomy.py
+++ b/generate/template/astronomy.py
@@ -5479,7 +5479,7 @@ def VectorFromHorizon(sphere, time, refraction):
     ----------
     sphere : Spherical
         A structure that contains apparent horizontal coordinates:
-        `lat` holds the refracted azimuth angle,
+        `lat` holds the refracted altitude angle,
         `lon` holds the azimuth in degrees clockwise from north,
         and `dist` holds the distance from the observer to the object in AU.
     time : Time
diff --git a/generate/template/astronomy.ts b/generate/template/astronomy.ts
index b0eecc06..faa475e8 100644
--- a/generate/template/astronomy.ts
+++ b/generate/template/astronomy.ts
@@ -6052,7 +6052,7 @@ export function HorizonFromVector(vector: Vector, refraction: string): Spherical
  *
  * @param {Spherical} sphere
  *      A structure that contains apparent horizontal coordinates:
- *      `lat` holds the refracted azimuth angle,
+ *      `lat` holds the refracted altitude angle,
  *      `lon` holds the azimuth in degrees clockwise from north,
  *      and `dist` holds the distance from the observer to the object in AU.
  *
diff --git a/source/c/README.md b/source/c/README.md
index f0e753d9..71552144 100644
--- a/source/c/README.md
+++ b/source/c/README.md
@@ -3181,7 +3181,7 @@ After calculating the date and time of an astronomical event in the form of an [
 
 | Type | Parameter | Description |
 | --- | --- | --- |
-| [`astro_spherical_t`](#astro_spherical_t) | `sphere` |  A structure that contains apparent horizontal coordinates: `lat` holds the refracted azimuth angle, `lon` holds the azimuth in degrees clockwise from north, and `dist` holds the distance from the observer to the object in AU. | 
+| [`astro_spherical_t`](#astro_spherical_t) | `sphere` |  A structure that contains apparent horizontal coordinates: `lat` holds the refracted altitude angle, `lon` holds the azimuth in degrees clockwise from north, and `dist` holds the distance from the observer to the object in AU. | 
 | [`astro_time_t`](#astro_time_t) | `time` |  The date and time of the observation. This is needed because the returned [`astro_vector_t`](#astro_vector_t) structure requires a valid time value when passed to certain other functions. | 
 | [`astro_refraction_t`](#astro_refraction_t) | `refraction` |  The refraction option used to model atmospheric lensing. See [`Astronomy_Refraction`](#Astronomy_Refraction). This specifies how refraction is to be removed from the altitude stored in `sphere.lat`. | 
 
diff --git a/source/c/astronomy.c b/source/c/astronomy.c
index 8c45527a..efa16258 100644
--- a/source/c/astronomy.c
+++ b/source/c/astronomy.c
@@ -9612,7 +9612,7 @@ astro_spherical_t Astronomy_HorizonFromVector(astro_vector_t vector, astro_refra
  *
  * @param sphere
  *      A structure that contains apparent horizontal coordinates:
- *      `lat` holds the refracted azimuth angle,
+ *      `lat` holds the refracted altitude angle,
  *      `lon` holds the azimuth in degrees clockwise from north,
  *      and `dist` holds the distance from the observer to the object in AU.
  *
diff --git a/source/csharp/README.md b/source/csharp/README.md
index a1f83e95..c67fd6f8 100644
--- a/source/csharp/README.md
+++ b/source/csharp/README.md
@@ -2365,7 +2365,7 @@ This is a convenience wrapper around the functions
 
 | Type | Parameter | Description |
 | --- | --- | --- |
-| [`Spherical`](#Spherical) | `sphere` | A structure that contains apparent horizontal coordinates: `lat` holds the refracted azimuth angle, `lon` holds the azimuth in degrees clockwise from north, and `dist` holds the distance from the observer to the object in AU. |
+| [`Spherical`](#Spherical) | `sphere` | A structure that contains apparent horizontal coordinates: `lat` holds the refracted altitude angle, `lon` holds the azimuth in degrees clockwise from north, and `dist` holds the distance from the observer to the object in AU. |
 | [`AstroTime`](#AstroTime) | `time` | The date and time of the observation. This is needed because the returned [`AstroVector`](#AstroVector) requires a valid time value when passed to certain other functions. |
 | [`Refraction`](#Refraction) | `refraction` | The refraction option used to model atmospheric lensing. See [`Astronomy.RefractionAngle`](#Astronomy.RefractionAngle). This specifies how refraction is to be removed from the altitude stored in `sphere.lat`. |
 
diff --git a/source/csharp/astronomy.cs b/source/csharp/astronomy.cs
index bb845aae..d05b6bc6 100644
--- a/source/csharp/astronomy.cs
+++ b/source/csharp/astronomy.cs
@@ -10349,7 +10349,7 @@ namespace CosineKitty
         /// </summary>
         /// <param name="sphere">
         /// A structure that contains apparent horizontal coordinates:
-        /// `lat` holds the refracted azimuth angle,
+        /// `lat` holds the refracted altitude angle,
         /// `lon` holds the azimuth in degrees clockwise from north,
         /// and `dist` holds the distance from the observer to the object in AU.
         /// </param>
diff --git a/source/js/README.md b/source/js/README.md
index 05417779..42fd1960 100644
--- a/source/js/README.md
+++ b/source/js/README.md
@@ -3262,7 +3262,7 @@ axis of rotation on the given date.
 
 | Param | Type | Description |
 | --- | --- | --- |
-| sphere | [<code>Spherical</code>](#Spherical) | A structure that contains apparent horizontal coordinates:      `lat` holds the refracted azimuth angle,      `lon` holds the azimuth in degrees clockwise from north,      and `dist` holds the distance from the observer to the object in AU. |
+| sphere | [<code>Spherical</code>](#Spherical) | A structure that contains apparent horizontal coordinates:      `lat` holds the refracted altitude angle,      `lon` holds the azimuth in degrees clockwise from north,      and `dist` holds the distance from the observer to the object in AU. |
 | time | [<code>FlexibleDateTime</code>](#FlexibleDateTime) | The date and time of the observation. This is needed because the returned      vector object requires a valid time value when passed to certain other functions. |
 | refraction | <code>string</code> | `"normal"`: correct altitude for atmospheric refraction (recommended).      `"jplhor"`: for JPL Horizons compatibility testing only; not recommended for normal use.      `null`: no atmospheric refraction correction is performed. |
 
diff --git a/source/js/astronomy.browser.js b/source/js/astronomy.browser.js
index 540eeef9..506b2905 100644
--- a/source/js/astronomy.browser.js
+++ b/source/js/astronomy.browser.js
@@ -6269,7 +6269,7 @@ exports.HorizonFromVector = HorizonFromVector;
  *
  * @param {Spherical} sphere
  *      A structure that contains apparent horizontal coordinates:
- *      `lat` holds the refracted azimuth angle,
+ *      `lat` holds the refracted altitude angle,
  *      `lon` holds the azimuth in degrees clockwise from north,
  *      and `dist` holds the distance from the observer to the object in AU.
  *
diff --git a/source/js/astronomy.d.ts b/source/js/astronomy.d.ts
index c3c5678e..7fcfceae 100644
--- a/source/js/astronomy.d.ts
+++ b/source/js/astronomy.d.ts
@@ -2202,7 +2202,7 @@ export declare function HorizonFromVector(vector: Vector, refraction: string): S
  *
  * @param {Spherical} sphere
  *      A structure that contains apparent horizontal coordinates:
- *      `lat` holds the refracted azimuth angle,
+ *      `lat` holds the refracted altitude angle,
  *      `lon` holds the azimuth in degrees clockwise from north,
  *      and `dist` holds the distance from the observer to the object in AU.
  *
diff --git a/source/js/astronomy.js b/source/js/astronomy.js
index b82377f3..7f92de7b 100644
--- a/source/js/astronomy.js
+++ b/source/js/astronomy.js
@@ -6268,7 +6268,7 @@ exports.HorizonFromVector = HorizonFromVector;
  *
  * @param {Spherical} sphere
  *      A structure that contains apparent horizontal coordinates:
- *      `lat` holds the refracted azimuth angle,
+ *      `lat` holds the refracted altitude angle,
  *      `lon` holds the azimuth in degrees clockwise from north,
  *      and `dist` holds the distance from the observer to the object in AU.
  *
diff --git a/source/js/astronomy.ts b/source/js/astronomy.ts
index 8342ab85..3f352c4e 100644
--- a/source/js/astronomy.ts
+++ b/source/js/astronomy.ts
@@ -6980,7 +6980,7 @@ export function HorizonFromVector(vector: Vector, refraction: string): Spherical
  *
  * @param {Spherical} sphere
  *      A structure that contains apparent horizontal coordinates:
- *      `lat` holds the refracted azimuth angle,
+ *      `lat` holds the refracted altitude angle,
  *      `lon` holds the azimuth in degrees clockwise from north,
  *      and `dist` holds the distance from the observer to the object in AU.
  *
diff --git a/source/js/esm/astronomy.js b/source/js/esm/astronomy.js
index 2d17c10e..419f6dac 100644
--- a/source/js/esm/astronomy.js
+++ b/source/js/esm/astronomy.js
@@ -6184,7 +6184,7 @@ export function HorizonFromVector(vector, refraction) {
  *
  * @param {Spherical} sphere
  *      A structure that contains apparent horizontal coordinates:
- *      `lat` holds the refracted azimuth angle,
+ *      `lat` holds the refracted altitude angle,
  *      `lon` holds the azimuth in degrees clockwise from north,
  *      and `dist` holds the distance from the observer to the object in AU.
  *
diff --git a/source/kotlin/doc/-spherical/to-vector-from-horizon.md b/source/kotlin/doc/-spherical/to-vector-from-horizon.md
index e52292b3..a7ea7ae8 100644
--- a/source/kotlin/doc/-spherical/to-vector-from-horizon.md
+++ b/source/kotlin/doc/-spherical/to-vector-from-horizon.md
@@ -6,7 +6,7 @@ fun [toVectorFromHorizon](to-vector-from-horizon.md)(time: [Time](../-time/index
 
 Given apparent angular horizontal coordinates, calculate the unrefracted horizontal vector.
 
-Assumes this contains apparent horizontal coordinates: lat holds the refracted azimuth angle, lon holds the azimuth in degrees clockwise from north, and dist holds the distance from the observer to the object in AU.
+Assumes this contains apparent horizontal coordinates: lat holds the refracted altitude angle, lon holds the azimuth in degrees clockwise from north, and dist holds the distance from the observer to the object in AU.
 
 #### Return
 
diff --git a/source/kotlin/src/main/kotlin/io/github/cosinekitty/astronomy/astronomy.kt b/source/kotlin/src/main/kotlin/io/github/cosinekitty/astronomy/astronomy.kt
index c4dd8110..952569f3 100644
--- a/source/kotlin/src/main/kotlin/io/github/cosinekitty/astronomy/astronomy.kt
+++ b/source/kotlin/src/main/kotlin/io/github/cosinekitty/astronomy/astronomy.kt
@@ -1359,7 +1359,7 @@ data class Spherical(
      * Given apparent angular horizontal coordinates, calculate the unrefracted horizontal vector.
      *
      * Assumes `this` contains apparent horizontal coordinates:
-     * `lat` holds the refracted azimuth angle,
+     * `lat` holds the refracted altitude angle,
      * `lon` holds the azimuth in degrees clockwise from north,
      * and `dist` holds the distance from the observer to the object in AU.
      *
diff --git a/source/python/README.md b/source/python/README.md
index a221c402..cda90a42 100644
--- a/source/python/README.md
+++ b/source/python/README.md
@@ -3447,7 +3447,7 @@ The ecliptic coordinates of the Sun using the Earth's true equator of date.
 
 | Type | Parameter | Description |
 | --- | --- | --- |
-| [`Spherical`](#Spherical) | `sphere` | A structure that contains apparent horizontal coordinates: `lat` holds the refracted azimuth angle, `lon` holds the azimuth in degrees clockwise from north, and `dist` holds the distance from the observer to the object in AU. |
+| [`Spherical`](#Spherical) | `sphere` | A structure that contains apparent horizontal coordinates: `lat` holds the refracted altitude angle, `lon` holds the azimuth in degrees clockwise from north, and `dist` holds the distance from the observer to the object in AU. |
 | [`Time`](#Time) | `time` | The date and time of the observation. This is needed because the returned vector object requires a valid time value when passed to certain other functions. |
 | [`Refraction`](#Refraction) | `refraction` | See remarks in function [`RefractionAngle`](#RefractionAngle). |
 
diff --git a/source/python/astronomy/astronomy.py b/source/python/astronomy/astronomy.py
index 373e149f..ed680399 100644
--- a/source/python/astronomy/astronomy.py
+++ b/source/python/astronomy/astronomy.py
@@ -6985,7 +6985,7 @@ def VectorFromHorizon(sphere, time, refraction):
     ----------
     sphere : Spherical
         A structure that contains apparent horizontal coordinates:
-        `lat` holds the refracted azimuth angle,
+        `lat` holds the refracted altitude angle,
         `lon` holds the azimuth in degrees clockwise from north,
         and `dist` holds the distance from the observer to the object in AU.
     time : Time