diff --git a/installing/verifying-signatures.md b/installing/verifying-signatures.md
index 0a55343b..cc2dc875 100644
--- a/installing/verifying-signatures.md
+++ b/installing/verifying-signatures.md
@@ -115,7 +115,7 @@ The developer signing keys are set to be valid for 1 year only, while the Qubes
 
 You can now verify the ISO image (`Qubes-R2-x86_64-DVD.iso`) matches its signature (`Qubes-R2-x86_64-DVD.iso.asc`):
 
-    $ gpg -v --verify Qubes-R2-x86_64-DVD.iso.asc
+    $ gpg -v --verify Qubes-R2-x86_64-DVD.iso.asc Qubes-R2-x86_64-DVD.iso
     gpg: armor header: Version: GnuPG v1
     gpg: assuming signed data in `Qubes-R2-x86_64-DVD.iso'
     gpg: Signature made Tue Sep 23 08:38:40 2014 UTC using RSA key ID 0A40E458