diff --git a/swagger/docs.go b/swagger/docs.go
index 8da82f29c..f9b79654a 100644
--- a/swagger/docs.go
+++ b/swagger/docs.go
@@ -1798,7 +1798,7 @@ const docTemplate = `{
                     },
                     {
                         "type": "integer",
-                        "description": "desired output sample rate",
+                        "description": "desired output sample rate in Hz; omit for the backend's own rate, otherwise 8000-192000",
                         "name": "sample_rate",
                         "in": "formData"
                     }
@@ -1855,7 +1855,7 @@ const docTemplate = `{
                     },
                     {
                         "type": "integer",
-                        "description": "desired output sample rate",
+                        "description": "desired output sample rate in Hz; omit for the backend's own rate, otherwise 8000-192000",
                         "name": "sample_rate",
                         "in": "formData"
                     }
diff --git a/swagger/swagger.json b/swagger/swagger.json
index 9042118a4..fc6b61921 100644
--- a/swagger/swagger.json
+++ b/swagger/swagger.json
@@ -1795,7 +1795,7 @@
                     },
                     {
                         "type": "integer",
-                        "description": "desired output sample rate",
+                        "description": "desired output sample rate in Hz; omit for the backend's own rate, otherwise 8000-192000",
                         "name": "sample_rate",
                         "in": "formData"
                     }
@@ -1852,7 +1852,7 @@
                     },
                     {
                         "type": "integer",
-                        "description": "desired output sample rate",
+                        "description": "desired output sample rate in Hz; omit for the backend's own rate, otherwise 8000-192000",
                         "name": "sample_rate",
                         "in": "formData"
                     }
diff --git a/swagger/swagger.yaml b/swagger/swagger.yaml
index 9c0f7ea32..9bbdc66c7 100644
--- a/swagger/swagger.yaml
+++ b/swagger/swagger.yaml
@@ -3984,7 +3984,8 @@ paths:
         in: formData
         name: response_format
         type: string
-      - description: desired output sample rate
+      - description: desired output sample rate in Hz; omit for the backend's own
+          rate, otherwise 8000-192000
         in: formData
         name: sample_rate
         type: integer
@@ -4028,7 +4029,8 @@ paths:
         in: formData
         name: response_format
         type: string
-      - description: desired output sample rate
+      - description: desired output sample rate in Hz; omit for the backend's own
+          rate, otherwise 8000-192000
         in: formData
         name: sample_rate
         type: integer