Update lldb/docs/use/map.rst

Co-authored-by: Jonas Devlieghere <[email protected]>

Author: da-viper

lldb/docs/use/map.rst

@@ -1351,7 +1351,7 @@ Dump all symbols in ``a.out`` and ``liba.so``
   (lldb) image dump symtab a.out liba.so
 
 Save current process as a core file
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 .. code-block:: shell