diff --git a/.github/config/system-prompt.txt b/.github/config/system-prompt.txt
index f3842878f..b14ad9681 100644
--- a/.github/config/system-prompt.txt
+++ b/.github/config/system-prompt.txt
@@ -8,6 +8,7 @@ You must:
 - Use one of these conventional commit types at the beginning of the title: build, chore, ci, docs, feat, fix, perf, refactor, revert, style, test
 - Use lowercase only, no emojis, no trailing period
 - Ensure the title is between 5 and 72 printable ASCII characters
+- Never include the project name (e.g., "Stirling-PDF") in the title
 - Never let spelling or grammar errors affect the rating
 - If the PR title is rated 6 or higher and only contains spelling or grammar mistakes, correct it - do not rephrase it
 - If the PR title is rated below 6, generate a new, better title based on the diff