diff --git a/AIVision/library.py b/AIVision/library.py
index 0ee1d06..b95864c 100644
--- a/AIVision/library.py
+++ b/AIVision/library.py
@@ -477,7 +477,7 @@ def add_watermark_to_image(
 
     def _assert_result(self, response):
         result, explanation = self.genai.extract_result_and_explanation_from_response(response)
-        if result and result.lower() == "pass":
+        if result and result.strip().lower() == "pass":
             logger.info(f"Verification passed:\n{explanation}")
         else:
             raise AssertionError(f"Verification failed:\n{explanation}")
diff --git a/CHANGES.txt b/CHANGES.txt
index 0df932e..ee30b39 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,5 @@
-1.1.0,   2026-02-02 -- Added support for (text) files attachments
+1.1.1,   2026-02-09 -- Pass/Fail AI response optimized
+1.1.0,   2026-02-08 -- Added support for (text) files attachments
 1.0.0,   2026-02-02 -- Release v1.0
 0.2.0a1, 2026-02-02 -- Alpha1 version
 0.2.0,   2026-01-29 -- AI System Prompt is configurable