diff --git a/Extensions.md b/Extensions.md
index 4e7080a..3a1f6d2 100644
--- a/Extensions.md
+++ b/Extensions.md
@@ -4,7 +4,9 @@ currently available only `progressbar`
 you can new issues for request new extensions
 
 # progressbar
-This extensions for show your progree
+This extensions for show your progress
+
+modify from [damp11113-library](https://github.com/damp11113/damp11113-library)
 
 ## indeterminateStatus
 ```py