diff --git a/pr_agent/git_providers/git_provider.py b/pr_agent/git_providers/git_provider.py
index b2d313229..38b532efa 100644
--- a/pr_agent/git_providers/git_provider.py
+++ b/pr_agent/git_providers/git_provider.py
@@ -74,15 +74,22 @@ def get_pr_description(self, *, full: bool = True) -> str:
 
     def get_user_description(self) -> str:
         description = (self.get_pr_description_full() or "").strip()
+        description_lowercase = description.lower()
         # if the existing description wasn't generated by the pr-agent, just return it as-is
-        if not any(description.startswith(header) for header in ("## PR Type", "## PR Description")):
+        if not self._is_generated_by_pr_agent(description_lowercase):
             return description
         # if the existing description was generated by the pr-agent, but it doesn't contain the user description,
         # return nothing (empty string) because it means there is no user description
-        if "## User Description:" not in description:
+        user_description_header = "## user description"
+        if user_description_header not in description_lowercase:
             return ""
         # otherwise, extract the original user description from the existing pr-agent description and return it
-        return description.split("## User Description:", 1)[1].strip()
+        user_description_start_position = description_lowercase.find(user_description_header) + len(user_description_header)
+        return description[user_description_start_position:].split("\n", 1)[-1].strip()
+
+    def _is_generated_by_pr_agent(self, description_lowercase: str) -> bool:
+        possible_headers = ("## pr type", "## pr description", "## pr labels", "## type", "## description", "## labels", "### 🤖 generated by pr agent")
+        return any(description_lowercase.startswith(header) for header in possible_headers)
 
     @abstractmethod
     def get_repo_settings(self):