Fixed incorrect property description (ref #2224)

Author: gsherwood

package.xml

@@ -119,7 +119,7 @@ http://pear.php.net/dtd/package-2.0.xsd">
   - Generic.WhiteSpace.ScopeIndent no longer performs exact indents checking for chained method calls
     -- Other sniffs can be used to enforce chained method call indent rules
     -- Thanks to Pieter Frenssen for the patch
-  - PEAR.WhiteSpace.ObjectOperatorIndent now supports multi-line chained statements
+  - PEAR.WhiteSpace.ObjectOperatorIndent now supports multi-level chained statements
     -- When enabled, chained calls must be indented 1 level more or less than the previous line
     -- Set the new "multilevel" setting to TRUE in a ruleset.xml file to enable this behaviour
     -- Thanks to Marcos Passos for the patch