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third_party/polymer/components/iron-selector/README.md

 
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@@ skipping 29 matching lines @@
   Example:
 
 ```html
   <iron-selector attr-for-selected="name" selected="foo">
     <div name="foo">Foo</div>
     <div name="bar">Bar</div>
     <div name="zot">Zot</div>
   </iron-selector>
 ```
 
-  If no matching element is found using `attForSelected`, use `fallbackSelection` as fallback.
+  You can specify a default fallback with `fallbackSelection` in case the `selected` attribute does
+  not match the `attrForSelected` attribute of any elements.
 
   Example:
 
 ```html
     <iron-selector attr-for-selected="name" selected="non-existing"
                    fallback-selection="default">
       <div name="foo">Foo</div>
       <div name="bar">Bar</div>
       <div name="default">Default</div>
     </iron-selector>
@@ skipping 20 matching lines @@
     <div>Item 2</div>
     <div>Item 3</div>
   </iron-selector>
 ```
 
 
 
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