coafile.rst: Add slash examples

This commit ensures that people recognize backslashes and forward slashes immediately.

Closes coala#571

Author: ManthanKeim

Users/coafile.rst

@@ -162,9 +162,9 @@ Similarly, you can also set a value to multiple keys:
 ``key_1, key_2 = value`` is equivalent to ``key_1 = value`` and
 ``key_2 = value`` in separate lines.
 
-As the backslash is the escape character it is recommended to use
-forward slashes as path separator even on Windows (to keep relative
-paths platform independent), use double-backslashes if you really mean a
+As the backslash ``\`` is the escape character it is recommended to use
+forward slashes ``/`` as path separator even on Windows (to keep relative
+paths platform independent), use double-backslashes ``\\`` if you really mean a
 backslash in all places.
 
 You can now proceed to an example with :doc:`Tutorial`.