diff --git a/book/src/key-management.md b/book/src/key-management.md
index 7c4c8ccb609..6f7386874a7 100644
--- a/book/src/key-management.md
+++ b/book/src/key-management.md
@@ -42,7 +42,7 @@ keypairs. Creating a single validator looks like this:
 
 In step (1), we created a wallet in `~/.lighthouse/wallets` with the name
 `wally`. We encrypted this using a pre-defined password in the
-`mywallet.pass` file. Then, in step (2), we created one new validator in the
+`wally.pass` file. Then, in step (2), we created one new validator in the
 `~/.lighthouse/validators` directory using `wally` (unlocking it with
 `mywallet.pass`) and storing the passwords to the validators voting key in
 `~/.lighthouse/secrets`.