diff --git a/src/offset.js b/src/offset.js
index 0d35a4f09..42d07eb4f 100644
--- a/src/offset.js
+++ b/src/offset.js
@@ -122,7 +122,7 @@ jQuery.fn.extend({
 			parentOffset = { top: 0, left: 0 },
 			elem = this[ 0 ];
 
-		// fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is it's only offset parent
+		// fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is its only offset parent
 		if ( jQuery.css( elem, "position" ) === "fixed" ) {
 			// we assume that getBoundingClientRect is available when computed position is fixed
 			offset = elem.getBoundingClientRect();