Fix typo in contributing

CONTRIBUTING.md

@@ -158,7 +158,7 @@ After release notes have been added, you can use reno to see what the full outpu
 of the release notes is. In general the output from reno that we'll get is a rst
 (ReStructuredText) file that can be compiled by
 [sphinx](https://www.sphinx-doc.org/en/master/). To generate the rst file you
-use the ``reno report`` command. If you want to generate the full qw-compiler release
+use the ``reno report`` command. If you want to generate the full qe-compiler release
 notes for all releases (since we started using reno during 0.9) you just run:
 
     reno report