Update erc20.rs

Signed-off-by: Samuel Moelius <35515885+smoelius@users.noreply.github.com>

Author: smoelius

tests/stylus_tests/erc20.rs

@@ -29,7 +29,7 @@ fn erc20() {
     let stdout = send(dir, &address, ["initialize(uint256)", balance]).unwrap();
     println!("{}", stdout);
 
-    // smoelius: Calling `init` a second time should revert.
+    // smoelius: Calling `initialize` a second time should revert.
     let error = send(dir, &address, ["initialize(uint256)", balance]).unwrap_err();
     println!("{:?}", error);