Update filetype blacklist documentation

Follow existing `Default: '[see next line]'` style to avoid an overly long line

doc/youcompleteme.txt

@@ -870,13 +870,16 @@ dictionary is used like a hash set, meaning that only the keys matter).
 
 See the |g:ycm_filetype_whitelist| option for more details on how this works.
 
-Default: "{'notes': 1, 'markdown': 1, 'text': 1}"
+Default: '[see next line]'
 >
   let g:ycm_filetype_blacklist = {
+        \ 'tagbar' : 1,
+        \ 'qf' : 1,
         \ 'notes' : 1,
         \ 'markdown' : 1,
-        \ 'text' : 1,
         \ 'unite' : 1,
+        \ 'text' : 1,
+        \ 'vimwiki' : 1,
         \}
 <
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