diff --git a/clang/docs/UsersManual.rst b/clang/docs/UsersManual.rst
index f836ac7f0379..2b83a0d5d5f5 100644
--- a/clang/docs/UsersManual.rst
+++ b/clang/docs/UsersManual.rst
@@ -1844,7 +1844,7 @@ For example, to specify that ``absl::string_view`` and ``std::string_view``
 should be treated as equivalent when matching profile data, the following
 remapping file could be used:
 
-.. code-block::
+.. code-block:: text
 
   # absl::string_view is considered equivalent to std::string_view
   type N4absl11string_viewE St17basic_string_viewIcSt11char_traitsIcEE