Adding update to empty function readme

diff --git a/README.markdown b/README.markdown
index 1cf7b326c8df60d65536d1d8e035b0beb90f4c43..27dd0a71e4c3af962ef5e27c1bd561dddbdfe886 100644 (file)
--- a/README.markdown
+++ b/README.markdown
@@ -224,7 +224,7 @@ Converts the case of a string or of all strings in an array to lowercase. *Type*
 
 #### `empty`
 
-Returns 'true' if the variable is empty. *Type*: rvalue.
+Returns true if the argument is an array or hash that contains no elements, or an empty string. *Type*: rvalue.
 
 #### `ensure_packages`