diff --git a/src/errors/wrap.go b/src/errors/wrap.go
index 272d056b318..b82ca34b46f 100644
--- a/src/errors/wrap.go
+++ b/src/errors/wrap.go
@@ -70,7 +70,7 @@ func Is(err, target error) bool {
 // setting target.
 //
 // An error type might provide an As method so it can be treated as if it were a
-// a different error type.
+// different error type.
 //
 // As panics if target is not a non-nil pointer to either a type that implements
 // error, or to any interface type.