diff --git a/README.md b/README.md
index 409bb3d..c2f7e78 100644
--- a/README.md
+++ b/README.md
@@ -354,7 +354,7 @@ custom := param.Override[openai.FooParams](12)
 
 ### Request unions
 
-Unions are represented as a struct with fields prefixed by "Of" for each of it's variants,
+Unions are represented as a struct with fields prefixed by "Of" for each of its variants,
 only one field can be non-zero. The non-zero field will be serialized.
 
 Sub-properties of the union can be accessed via methods on the union struct.
diff --git a/packages/respjson/respjson.go b/packages/respjson/respjson.go
index cc0088c..9e61c5c 100644
--- a/packages/respjson/respjson.go
+++ b/packages/respjson/respjson.go
@@ -5,7 +5,7 @@ package respjson
 // Use [Field.Valid] to check if an optional value was null or omitted.
 //
 // A Field will always occur in the following structure, where it
-// mirrors the original field in it's parent struct:
+// mirrors the original field in its parent struct:
 //
 //	type ExampleObject struct {
 //		Foo bool	`json:"foo"`