docs(radio): fix typo in intro section (#14886)

Sascha · andrewseguin · commit d5eb9aea4227 · 2019-01-25T13:46:25.000-08:00
docs (radio.md): simple typographical error fix

Renamed &lt;mat-radio&gt; to &lt;mat-radio-button&gt; because only &lt;mat-radio-button&gt; exists.
diff --git a/src/lib/radio/radio.md b/src/lib/radio/radio.md
@@ -1,4 +1,4 @@
-`<mat-radio>` provides the same functionality as a native `<input type="radio">` enhanced with
+`<mat-radio-button>` provides the same functionality as a native `<input type="radio">` enhanced with
 Material Design styling and animations.
 
 <!-- example(radio-overview) -->

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		-`<mat-radio>` provides the same functionality as a native `<input type="radio">` enhanced with
	`1`	+`<mat-radio-button>` provides the same functionality as a native `<input type="radio">` enhanced with
`2`	`2`	`Material Design styling and animations.`
`3`	`3`
`4`	`4`	`<!-- example(radio-overview) -->`