diff --git a/src/cmd/compile/internal/types2/errorcodes.go b/src/cmd/compile/internal/types2/errorcodes.go
index a1138b7b0d..6b3e6d6f24 100644
--- a/src/cmd/compile/internal/types2/errorcodes.go
+++ b/src/cmd/compile/internal/types2/errorcodes.go
@@ -867,7 +867,7 @@ const (
 	//  var _ = string(x)
 	_InvalidConversion
 
-	// _InvalidUntypedConversion occurs when an there is no valid implicit
+	// _InvalidUntypedConversion occurs when there is no valid implicit
 	// conversion from an untyped value satisfying the type constraints of the
 	// context in which it is used.
 	//
diff --git a/src/go/types/errorcodes.go b/src/go/types/errorcodes.go
index b82300f8ad..3c224a1366 100644
--- a/src/go/types/errorcodes.go
+++ b/src/go/types/errorcodes.go
@@ -867,7 +867,7 @@ const (
 	//  var _ = string(x)
 	_InvalidConversion
 
-	// _InvalidUntypedConversion occurs when an there is no valid implicit
+	// _InvalidUntypedConversion occurs when there is no valid implicit
 	// conversion from an untyped value satisfying the type constraints of the
 	// context in which it is used.
 	//