diff --git a/.github/workflows/pr-description.yml b/.github/workflows/pr-description.yml
index 0a0113dd..e5c331b0 100644
--- a/.github/workflows/pr-description.yml
+++ b/.github/workflows/pr-description.yml
@@ -78,7 +78,7 @@ jobs:
             > [Any additional context, or "None"]
             >
             > ---
-            > <sub>🤖 Generated by Claude | [current UTC timestamp in format: YYYY-MM-DD HH:MM UTC]</sub>
+            > <sub>🤖 Generated by Claude | <relative-time datetime="[current UTC timestamp in ISO 8601 format: YYYY-MM-DDTHH:MM:SSZ]"></relative-time></sub>
 
             GUIDELINES FOR FILLING THE TEMPLATE:
             - Check [x] the appropriate "Type of Change" based on what the code does