podman-image-sign.1.md: typo fix

identify -> identity

Signed-off-by: Steve Phillips <[email protected]>

docs/source/markdown/podman-image-sign.1.md

@@ -37,7 +37,7 @@ Store the signatures in the specified directory.  Default: /var/lib/containers/s
 Override the default identity of the signature.
 
 ## EXAMPLES
-Sign the busybox image with the identify of [email protected] with a user's keyring and save the signature in /tmp/signatures/.
+Sign the busybox image with the identity of [email protected] with a user's keyring and save the signature in /tmp/signatures/.
 
    sudo podman image sign --sign-by [email protected] --directory /tmp/signatures docker://privateregistry.example.com/foobar