Update collections.md

sadanandpai · web-flow · commit 697a450de641 · 2020-11-20T20:26:31.000+05:30
diff --git a/challenges/collections.md b/challenges/collections.md
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 <div align="right">
-  <a href="/README.md" id="home">Home</a>
+  <a href="/README.md#--javascript-modern-interview-code-challenges" id="home">Home</a>
 </div>
 
 ## JavaScript interview code challenges on Collections
