adjust incorrect comment

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@337532 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/src/experimental/filesystem/operations.cpp b/src/experimental/filesystem/operations.cpp
index 126aec5..2885102 100644
--- a/src/experimental/filesystem/operations.cpp
+++ b/src/experimental/filesystem/operations.cpp
@@ -1426,7 +1426,8 @@
       __data_.__cache_type_ = directory_entry::_RefreshSymlinkUnresolved;
       return error_code{};
     }
-    // Otherwise, we resolved the link as not existing. That's OK.
+    // Otherwise, we either resolved the link, potentially as not existing.
+    // That's OK.
     __data_.__cache_type_ = directory_entry::_RefreshSymlink;
   }