Fixed an error message slightly.
Fixed an error message slightly.

Ban3/Limnoria,jeffmahoney/supybot,mazaclub/mazabot-core,mazaclub/mazabot-core,buildbot/supybot,ProgVal/Limnoria-test,prashantpawar/supybot-rothbot,Ban3/Limnoria,ProgVal/Limnoria-test,kblin/supybot-gsoc,frumiousbandersnatch/supybot-code,raboof/supybot,haxwithaxe/supybot