diff --git a/pr_agent/tools/pr_description.py b/pr_agent/tools/pr_description.py
index 7744b699..d9ea9fc1 100644
--- a/pr_agent/tools/pr_description.py
+++ b/pr_agent/tools/pr_description.py
@@ -480,7 +480,11 @@ class PRDescription:
 
         ai_type = self.data.get('type')
         if ai_type and not re.search(r'<!--\s*pr_agent:type\s*-->', body):
-            pr_type = f"{ai_header}{ai_type}"
+            if isinstance(ai_type, list):
+                pr_types = [f"{ai_header}{t}" for t in ai_type]
+                pr_type = ','.join(pr_types)
+            else:
+                pr_type = f"{ai_header}{ai_type}"
             body = body.replace('pr_agent:type', pr_type)
 
         ai_summary = self.data.get('description')