fix filename;

Signed-off-by: tcar <tcar121293@gmail.com>

Author: tcar121293

docs/06-environments/03-testnet/01-obtain-testnet-tokens.md

@@ -17,5 +17,5 @@ description: The following details how to obtain Testnet tokens from the Faucet
 ### Video
 
 <video controls="controls" width="800" height="600" name="Göreli Faucet">
-  <source src={require('/assets/faucet_erc20_sepolia.webm').default}/>
+  <source src={require('/assets/faucet_erc20_goerli.webm').default}/>
 </video>