diff --git a/docs/debugging.rst b/docs/debugging.rst
index f7e8543..35177ed 100644
--- a/docs/debugging.rst
+++ b/docs/debugging.rst
@@ -31,7 +31,7 @@ which matchers didn't match. This can help you with debugging custom
 matchers.
 
 CannotOverwriteExistingCassetteException
-========================================
+----------------------------------------
 
 When a request failed to be found in an existing cassette,
 VCR.py tries to get the request(s) that may be similar to the one being searched.
@@ -54,4 +54,4 @@ CannotOverwriteExistingCassetteException message example :
     Matchers succeeded : ['method', 'scheme', 'host', 'port', 'path']
     Matchers failed :
     query - assertion failure :
-    [('alt', 'json'), ('maxResults', '200')] != [('alt', 'json'), ('maxResults', '500')]
\ No newline at end of file
+    [('alt', 'json'), ('maxResults', '200')] != [('alt', 'json'), ('maxResults', '500')]