chore(docs): remove excess closing tags (#4209)

chettapong · tmorehouse · commit 7e4f16072739 · 2019-10-07T09:58:13.000-03:00
diff --git a/src/components/card/README.md b/src/components/card/README.md
@@ -248,7 +248,7 @@ card.
     img-top
   >
     <template v-slot:header>
-      <h4 class="mb-0">>Hello World</h4>
+      <h4 class="mb-0">Hello World</h4>
     </template>
 
     <b-card-body>
