diff --git a/2-ui/1-document/10-size-and-scroll-window/article.md b/2-ui/1-document/10-size-and-scroll-window/article.md
index 3ee9cdbb..b23c7757 100644
--- a/2-ui/1-document/10-size-and-scroll-window/article.md
+++ b/2-ui/1-document/10-size-and-scroll-window/article.md
@@ -73,7 +73,7 @@ alert('Current scroll from the left: ' + window.pageXOffset);
 
 These properties are read-only.
 
-(note: `pageXOffset` and `pageYOffset` are aliases for `scrollX` and `scrollY`, but provide greater cross-browser compatibility.)
+(note: `pageXOffset` and `pageYOffset` are aliases for `scrollX` and `scrollY`, but may provide somewhat greater cross-browser compatibility.)
 
 ## Scrolling: scrollTo, scrollBy, scrollIntoView [#window-scroll]