Fixed incorrect property name (ref #2224)

Author: gsherwood

package.xml

@@ -121,7 +121,7 @@ http://pear.php.net/dtd/package-2.0.xsd">
     -- Thanks to Pieter Frenssen for the patch
   - PEAR.WhiteSpace.ObjectOperatorIndent now supports multi-line chained statements
     -- When enabled, chained calls must be indented 1 level more or less than the previous line
-    -- Set the new "multiline" setting to TRUE in a ruleset.xml file to enable this behaviour
+    -- Set the new "multilevel" setting to TRUE in a ruleset.xml file to enable this behaviour
     -- Thanks to Marcos Passos for the patch
   - PSR2.ControlStructures.ControlStructureSpacing now allows whitespace after the opening parenthesis if followed by a comment
     -- Thanks to Michał Bundyra for the patch