diff --git a/entrypoint.py b/entrypoint.py
index f8197ce..7af1383 100644
--- a/entrypoint.py
+++ b/entrypoint.py
@@ -101,7 +101,7 @@ class TypeSuggestion(NamedTuple):
             "side": "RIGHT",
             "commit_id": commit_id,
             "body": "The following type annotation might be useful:\n ```suggestion\n"
-            f"{annotate_parameter(suggestion.filepath[1:],suggestion.file_location,suggestion.name,suggestion.suggestion)}\n```\n",
+            f"{annotate_parameter(suggestion.filepath[1:],suggestion.file_location,suggestion.name,suggestion.suggestion)}```\n",
         }
         headers = {
             "authorization": f"Bearer {github_token}",
diff --git a/src/annotationutils.py b/src/annotationutils.py
index 6ada87d..66fee52 100644
--- a/src/annotationutils.py
+++ b/src/annotationutils.py
@@ -13,7 +13,8 @@ def annotate_parameter(
     target_line = lines[location[0] - 1]
     assert target_line[location[1] :].startswith(param_name)
     return (
-        target_line[: location[1] + len(param_name)]
+        " "
+        + target_line[: location[1] + len(param_name)]  # It's unclear why a single char is lost...
         + f": {annotation}"
         + target_line[location[1] + len(param_name) :]
     )