Update website/src/pages/en/subgraphs/explorer.mdx

Author: idalithb

website/src/pages/en/subgraphs/explorer.mdx

@@ -12,7 +12,7 @@ This guide explains how to use [Graph Explorer](https://thegraph.com/explorer) t
 
 ## Prerequisites
 
-- A wallet (e.g., MetaMask) connected to [Graph Explorer](https://thegraph.com/explorer).
+- To perform actions, a need wallet (e.g., MetaMask) connected to [Graph Explorer](https://thegraph.com/explorer).
   > Make sure your wallet is connected to the correct network (e.g., Arbitrum). Features and data shown are network specific.
 - GRT tokens if you plan to delegate or curate.
 - Basic knowledge of Subgraphs