This closes #17
diff --git a/quickstart/index.md b/quickstart/index.md
index 5bb38e4..16c2c1f 100644
--- a/quickstart/index.md
+++ b/quickstart/index.md
@@ -33,7 +33,7 @@
 - The file `~/.ssh/authorized_keys` exists and contains a copy of your public key from `~/.ssh/id_rsa.pub`.
   - Note that it is normal for it to contain other items as well.
 - The key in `~/.ssh/id_rsa` does *not* have a passphrase.
-  - You can test this by executing `ssh-keygen -y`. If does *not* ask for a passphrase, then your key is OK.
+  - You can test this by executing `ssh-keygen -y`. If it does *not* ask for a passphrase, then your key is OK.
   - If your key does have a passphrase, remove it. You can do this by running `ssh-keygen -p`. Enter the passphrase,
     then when prompted for the new passphrase, hit Enter.