diff --git a/google/generativeai/types/generation_types.py b/google/generativeai/types/generation_types.py
index 99c08c4df..57ce2e0de 100644
--- a/google/generativeai/types/generation_types.py
+++ b/google/generativeai/types/generation_types.py
@@ -327,7 +327,7 @@ def text(self):
         if len(parts) != 1 or "text" not in parts[0]:
             raise ValueError(
                 "The `response.text` quick accessor only works for "
-                "simple (single-`Part`) text responses. This response is not simple text."
+                "simple (single-`Part`) text responses. This response is not simple text. "
                 "Use the `result.parts` accessor or the full "
                 "`result.candidates[index].content.parts` lookup "
                 "instead."