Correct subject-verb agreement.

Pistos · Pistos · commit 5206281a2ee7 · 2016-02-21T20:52:57.000-05:00
diff --git a/src/guide/components.md b/src/guide/components.md
@@ -133,7 +133,7 @@ The `el` option also requires a function value when used in `Vue.extend()`, for
 
 ### `is` attribute
 
-Some HTML elements, for example `<table>`, has restrictions on what elements can appear inside it. Custom elements that are not in the whitelist will be hoisted out and thus not render properly. In such cases you should use the `is` special attribute to indicate a custom element:
+Some HTML elements, for example `<table>`, have restrictions on what elements can appear inside them. Custom elements that are not in the whitelist will be hoisted out and thus not render properly. In such cases you should use the `is` special attribute to indicate a custom element:
 
 ``` html
 <table>
