diff --git a/clang/docs/LanguageExtensions.rst b/clang/docs/LanguageExtensions.rst
index 885ad579ba72..164dfc585e33 100644
--- a/clang/docs/LanguageExtensions.rst
+++ b/clang/docs/LanguageExtensions.rst
@@ -1780,7 +1780,7 @@ String builtins
 ---------------
 
 Clang provides constant expression evaluation support for builtins forms of
-the following functions from the C standard library ``<strings.h>`` header:
+the following functions from the C standard library ``<string.h>`` header:
 
 * ``memchr``
 * ``memcmp``