diff --git a/ostree.gv b/ostree.gv
index 308e2649..c2b9c51a 100644
--- a/ostree.gv
+++ b/ostree.gv
@@ -1,4 +1,4 @@
-/* Commanly used, give a name */
+/* Commonly used, give a name */
 type Metadata [string] variant;
 type Checksum []byte;
 
@@ -13,7 +13,7 @@ type Summary {
 
 type Commit {
     metadata: Metadata;
-    patent: Checksum;
+    parent: Checksum;
     related: [] 'Related {
         ref: string;
         commit: Checksum;