remove missing command from output

diff was never implemented

1 files changed, 0 insertions, 1 deletions

diff --git a/main.go b/main.go
index 6999c48..70b06bc 100644
--- a/main.go
+++ b/main.go
@@ -51,6 +51,5 @@ where 'command' is one of:
   verify-input          verify a message using a signature and a public key
   create-sign-request   create a certificate sign request
   create-cert           create a certificate from a certificate sign request
-  diff                  show the differences between two certificates
 `, COMMAND)
 }