Fix sphinx build.

llvm-svn: 289549

clang-tools-extra/docs/clang-tidy/checks/cppcoreguidelines-no-malloc.rst

@@ -7,7 +7,7 @@ This check handles C-Style memory management using ``malloc()``, ``realloc()``,
 ``calloc()`` and ``free()``. It warns about its use and tries to suggest the use
 of an appropriate RAII object.
 See `C++ Core Guidelines
-<https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#Rr-mallocfree>
+<https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#Rr-mallocfree>`.
 
 There is no attempt made to provide fixit hints, since manual resource management isn't
 easily transformed automatically into RAII.