diff --git a/include/clang/Basic/AttrDocs.td b/include/clang/Basic/AttrDocs.td
index e6d6a33d3b5da572bb731327b0517f5426c4621d..758705b4ad1a2d34daf4b8221d56fb04a043b4f3 100644
--- a/include/clang/Basic/AttrDocs.td
+++ b/include/clang/Basic/AttrDocs.td
@@ -1051,6 +1051,7 @@ This attribute is incompatible with the ``always_inline`` attribute.
 
 def LoopHintDocs : Documentation {
   let Category = DocCatStmt;
+  let Heading = "#pragma clang loop, #pragma unroll";
   let Content = [{
 The ``#pragma clang loop`` directive allows loop optimization hints to be
 specified for the subsequent loop. The directive allows vectorization,