diff --git a/learning/python/lib_perfspec.py b/learning/python/lib_perfspec.py
index f3bb0ba..58c608a 100644
--- a/learning/python/lib_perfspec.py
+++ b/learning/python/lib_perfspec.py
@@ -15,8 +15,8 @@ def _():
             date="2025",
             version="1.0",
             repo='https://repo.jesusperez.pro/jesus/perfspec-learning',
-            about='https://repo.jesusperez.pro/jesus/perfspec-learning/src/branch/main/about',    
-            intro='https://repo.jesusperez.pro/jesus/perfspec-learning/src/branch/main/intro',
+            about='https://repo.jesusperez.pro/jesus/perfspec-learning/src/branch/main/about.md',    
+            intro='https://repo.jesusperez.pro/jesus/perfspec-learning/src/branch/main/intro.md',
             image='https://repo.jesusperez.pro/jesus/perfspec-learning/media/branch/main/imgs/prefSPEC-learning.png',
             )
        return app