diff --git a/functions/strings.xml b/functions/strings.xml
index 9b2591692c..5411cfb964 100644
--- a/functions/strings.xml
+++ b/functions/strings.xml
@@ -462,8 +462,12 @@ echo "This spans\nmultiple lines. The newlines will be\noutput as well.";
string string
- Returns an array of strings containing the elements separated by
- separator.
+ Returns an array of strings, each of which is a substring of
+ string formed by splitting it on boundaries formed
+ by the string delim.
+ If limit is set, the returned array will contaion
+ a maximum of limit elements with the last element
+ containing the whole rest of string.
Explode example