Fixes #659.

framework/yii/helpers/HtmlBase.php

@@ -1509,7 +1509,7 @@ class HtmlBase
 	 * Generates an appropriate input ID for the specified attribute name or expression.
 	 *
 	 * This method converts the result [[getInputName()]] into a valid input ID.
-	 * For example, [[getInputName()]] returns `Post[content]`, this method will return `Post-method`.
+	 * For example, if [[getInputName()]] returns `Post[content]`, this method will return `post-content`.
 	 * @param Model $model the model object
 	 * @param string $attribute the attribute name or expression. See [[getAttributeName()]] for explanation of attribute expression.
 	 * @return string the generated input ID