diff --git a/acl/types.proto b/acl/types.proto
index f6c1da7..2bf5f23 100644
--- a/acl/types.proto
+++ b/acl/types.proto
@@ -125,7 +125,7 @@ message EACLRecord {
   // * $Object:homomorphicHash \
   //   homomorphic_hash
   //
-  // Please note, that if request or response does not have object's headers or
+  // Please note, that if request or response does not have object's headers of
   // full object (Range, RangeHash, Search, Delete), it will not be possible to
   // filter by object header fields or user attributes. From the well-known list
   // only `$Object:objectID` and `$Object:containerID` will be available, as