diff --git a/csharp/src/Google.Protobuf.Test/testprotos.pb b/csharp/src/Google.Protobuf.Test/testprotos.pb
index 5e361f9027..66c1815ce1 100644
Binary files a/csharp/src/Google.Protobuf.Test/testprotos.pb and b/csharp/src/Google.Protobuf.Test/testprotos.pb differ
diff --git a/csharp/src/Google.Protobuf/WellKnownTypes/Struct.pb.cs b/csharp/src/Google.Protobuf/WellKnownTypes/Struct.pb.cs
index aa25686dee..b8c99c051c 100644
--- a/csharp/src/Google.Protobuf/WellKnownTypes/Struct.pb.cs
+++ b/csharp/src/Google.Protobuf/WellKnownTypes/Struct.pb.cs
@@ -55,7 +55,7 @@ namespace Google.Protobuf.WellKnownTypes {
   /// `NullValue` is a singleton enumeration to represent the null value for the
   /// `Value` type union.
   ///
-  ///  The JSON representation for `NullValue` is JSON `null`.
+  /// The JSON representation for `NullValue` is JSON `null`.
   /// </summary>
   public enum NullValue {
     /// <summary>
diff --git a/objectivec/GPBStruct.pbobjc.h b/objectivec/GPBStruct.pbobjc.h
index b0cc299714..8f2f12c73b 100644
--- a/objectivec/GPBStruct.pbobjc.h
+++ b/objectivec/GPBStruct.pbobjc.h
@@ -32,7 +32,7 @@ NS_ASSUME_NONNULL_BEGIN
  * `NullValue` is a singleton enumeration to represent the null value for the
  * `Value` type union.
  *
- *  The JSON representation for `NullValue` is JSON `null`.
+ * The JSON representation for `NullValue` is JSON `null`.
  **/
 typedef GPB_ENUM(GPBNullValue) {
   /**