fix typo (close #129)

yyx990803 · yyx990803 · commit ed69b0311b15 · 2015-09-30T11:10:51.000-04:00
diff --git a/source/api/options.md b/source/api/options.md
@@ -97,7 +97,7 @@ Vue.component('prop-validation-demo', {
 The following component usage will result in two warnings: type mismatch for "size", and missing required prop "name".
 
 ``` html
-<prop-validation-demoo size="hello">
+<prop-validation-demo size="hello">
 </prop-validation-demo>
 ```
 
