Fix wording issues

Author: MoteHue

.github/overcloud-host-image-build-path-filters.yml

@@ -1,3 +1,3 @@
-# This file is a list of path filters for the PR workflow in .github/workflows/stackhpc-pull-request.yml.
+# This file is a list of path filters for the overcloud host image build workflow in .github/workflows/trigger-overcloud-host-image-build.yml.
 pulp-repo-versions: &pulp-repo-versions
   - 'etc/kayobe/pulp-repo-versions.yml'