Typo fix (#594)

Author: JuliannaMlynarska

website/pages/en/arbitrum/l2-transfer-tools-guide.mdx

@@ -68,7 +68,7 @@ After opening the Transfer Tool, you will be able to input the L2 wallet address
 
 If you execute this step, **make sure you proceed until completing step 3 in less than 7 days, or the subgraph and your signal GRT will be lost.** This is due to how L1-L2 messaging works on Arbitrum: messages that are sent through the bridge are "retry-able tickets" that must be executed within 7 days, and the initial execution might need a retry if there are spikes in the gas price on Arbitrum.
 
-![Start the trnasfer to L2](/img/startTransferL2.png)
+![Start the transfer to L2](/img/startTransferL2.png)
 
 ## Step 2: Waiting for the subgraph to get to L2