- BAD:
Firefox sucks! It can't show pages! - GOOD:
Firefox 3.0.5 crashes loading <url>. - AWESOME:
Firefox 3.0.5 with flashblock 1.5.7.1 crashes loading <url>
at line 427 of nsWebShell.cpp.
In 3.0.4 it loaded without crashing.
Being specific about how to make it crash is usually good enough.