allow for typo corrections
diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
index ebe5329..1da16b1 100644
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -3,8 +3,11 @@
 projects. Changes should be made to the internal style guide first and
 only then copied here.
 
-Unsolicited pull requests are not accepted and will be closed without
-comment.
+Unsolicited pull requests will not be merged and are usually closed
+without comment. If a PR points out a simple mistake — a typo, a broken
+link, etc. — then the correction can be made internally and copied here
+through the usual process.
 
-If this PR does anything other than update a style guide with changes
-already made to the internal copy, please do not create it.
\ No newline at end of file
+Substantive changes to the style rules and suggested new rules should
+not be submitted as a PR in this repository. Material changes must be
+proposed, discussed, and approved on the internal forums first.