chore: fixes typo in the register-components plugin readme (#957)

jhalvorson · ulivz · commit dac42da6484d · 2018-11-15T07:40:56.000-06:00
diff --git a/packages/@vuepress/plugin-register-components/README.md b/packages/@vuepress/plugin-register-components/README.md
@@ -19,7 +19,7 @@ module.exports = {
     [ 
       'register-components', 
       {
-        componentDir: somepath
+        componentsDir: somepath
       }
     ]
   ] 
