diff --git a/reference/dom/domtext/iswhitespaceinelementcontent.xml b/reference/dom/domtext/iswhitespaceinelementcontent.xml
index f6b80f501a..65bd207fbe 100644
--- a/reference/dom/domtext/iswhitespaceinelementcontent.xml
+++ b/reference/dom/domtext/iswhitespaceinelementcontent.xml
@@ -14,15 +14,16 @@
- Indicates whether this text node contains whitespace. The text node is
- determined to contain whitespace in element content during the load of the
- document.
+ Indicates whether this text node contains only whitespace or it is empty.
+ The text node is determined to contain whitespace in element content during
+ the load of the document.
&reftitle.returnvalues;
- &return.success;
+ Returns &true; if node contains zero or more whitespace characters and
+ nothing else. Returns &false; otherwise.