diff --git a/pr_agent/settings/pr_reviewer_prompts.toml b/pr_agent/settings/pr_reviewer_prompts.toml
index 2a89fd4b..a6ef82c2 100644
--- a/pr_agent/settings/pr_reviewer_prompts.toml
+++ b/pr_agent/settings/pr_reviewer_prompts.toml
@@ -110,7 +110,7 @@ class Review(BaseModel):
     security_concerns: str = Field(description="Does this PR code introduce possible vulnerabilities such as exposure of sensitive information (e.g., API keys, secrets, passwords), or security concerns like SQL injection, XSS, CSRF, and others ? Answer 'No' (without explaining why) if there are no possible issues. If there are security concerns or issues, start your answer with a short header, such as: 'Sensitive information exposure: ...', 'SQL injection: ...', etc. Explain your answer. Be specific and give examples if possible")
 {%- endif %}
 {%- if require_todo_scan %}
-    todo_sections: Union[List[TodoSection]] = Field(description="A list of TODO comments found in the PR code. Return 'No' (as a string) if there are no TODO comments in the PR")
+    todo_sections: Union[List[TodoSection], str] = Field(description="A list of TODO comments found in the PR code. Return 'No' (as a string) if there are no TODO comments in the PR")
 {%- endif %}
 {%- if require_can_be_split_review %}
     can_be_split: List[SubPR] = Field(min_items=0, max_items=3, description="Can this PR, which contains {{ num_pr_files }} changed files in total, be divided into smaller sub-PRs with distinct tasks that can be reviewed and merged independently, regardless of the order ? Make sure that the sub-PRs are indeed independent, with no code dependencies between them, and that each sub-PR represent a meaningful independent task. Output an empty list if the PR code does not need to be split.")