diff --git a/Uploading-output-files.md b/Uploading-output-files.md
index 1af77f3..2f9fac4 100644
--- a/Uploading-output-files.md
+++ b/Uploading-output-files.md
@@ -28,7 +28,7 @@ Upload it like normal book.
 
 #### [Calibre](http://calibre-ebook.com/)
 
-Before adding KCC output to Calibre library change file extension from `.kepub.epub` to `.kepub`. After that change upload should work correctly ([more details](https://github.com/ciromattia/kcc/issues/184#issuecomment-173199127)).
+Before adding output file to Calibre library change file extension from `.kepub.epub` to `.kepub`. After that change upload should work correctly ([more details](https://github.com/ciromattia/kcc/issues/184#issuecomment-173199127)).
 
 ## Other