diff --git a/.github/scripts/check-pr-text.py b/.github/scripts/check-pr-text.py
index 18b2c8ccbb0..58c8058a9ac 100644
--- a/.github/scripts/check-pr-text.py
+++ b/.github/scripts/check-pr-text.py
@@ -41,7 +41,7 @@ def fail(message):
 if not pr_body:
     fail("Body for the PR not found. " "Maybe missing PR_BODY env var.")
 
-title_search = re.search(r"^(#\d+) .+", pr_title)
+title_search = re.search(r"^(#\d+):? .+", pr_title)
 if not title_search:
     fail(
         "Title of PR has no issue ID reference. It must look like “#1234 Foo bar baz”."
diff --git a/.gitignore b/.gitignore
index 8402bf88bfe..0d2fbc78c62 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,3 +21,4 @@ pip-wheel-metadata/
 .vscode/
 .idea/
 .tox/
+.hypothesis/
diff --git a/src/twisted/newsfragments/11721.misc b/src/twisted/newsfragments/11721.misc
new file mode 100644
index 00000000000..e69de29bb2d