Fix the docs

Author: zeyi2

clang-tools-extra/docs/clang-tidy/checks/cert/err52-cpp.rst

@@ -3,7 +3,7 @@
 cert-err52-cpp
 ==============
 
-The cert-err52-cpp check is an alias, please see
+The `cert-err52-cpp` check is an alias, please see
 `modernize-avoid-setjmp-longjmp <../modernize/avoid-setjmp-longjmp.html>`_
 for more information.
 

clang-tools-extra/docs/clang-tidy/checks/modernize/avoid-setjmp-longjmp.rst

@@ -3,7 +3,10 @@
 modernize-avoid-setjmp-longjmp
 ==============================
 
-Flags all call expressions involving ``setjmp()`` and ``longjmp()``.
+Flags all call expressions involving ``setjmp()`` and ``longjmp()`` in C++ code.
+
+References
+----------
 
 This check corresponds to the CERT C++ Coding Standard rule
 `ERR52-CPP. Do not use setjmp() or longjmp()