another fix: adding empty space after replacing ,

modules/completion/init.zsh

@@ -96,7 +96,7 @@ zstyle ':completion::*:(-command-|export):*' fake-parameters ${${${_comps[(I)-va
 
 # Populate hostname completion.
 zstyle -e ':completion:*:hosts' hosts 'reply=(
-  ${=${=${=${${(f)"$(cat {/etc/ssh_,~/.ssh/known_}hosts(|2)(N) 2>/dev/null)"}%%[#| ]*}//\]:[0-9]*/ }//,/}//\[/}
+  ${=${=${=${${(f)"$(cat {/etc/ssh_,~/.ssh/known_}hosts(|2)(N) 2>/dev/null)"}%%[#| ]*}//\]:[0-9]*/ }//,/ }//\[/ }
   ${=${(f)"$(cat /etc/hosts(|)(N) <<(ypcat hosts 2>/dev/null))"}%%\#*}
   ${=${${${${(@M)${(f)"$(cat ~/.ssh/config 2>/dev/null)"}:#Host *}#Host }:#*\**}:#*\?*}}
 )'