diff --git a/README.md b/README.md
index c04a34e..c8366e5 100644
--- a/README.md
+++ b/README.md
@@ -95,6 +95,7 @@ OPTIONS:
                           The path to a private key to use for generating PEM
                           and P12 files. This key will be attached to any
                           generated certificates or profiles
+                          Use `openssl genrsa -out key.pem 2048` to generate it
   --itunes-connect-key-path <itunes-connect-key-path>
                           The path to the private key
                           (https://developer.apple.com/documentation/appstoreconnectapi/generating_tokens_for_api_requests)
diff --git a/Sources/SignHereLibrary/Commands/CreateProvisioningProfileCommand.swift b/Sources/SignHereLibrary/Commands/CreateProvisioningProfileCommand.swift
index eae3027..ed373fa 100644
--- a/Sources/SignHereLibrary/Commands/CreateProvisioningProfileCommand.swift
+++ b/Sources/SignHereLibrary/Commands/CreateProvisioningProfileCommand.swift
@@ -130,7 +130,7 @@ internal struct CreateProvisioningProfileCommand: ParsableCommand {
     @Option(help: "The issuer id of the private key (https://developer.apple.com/documentation/appstoreconnectapi/generating_tokens_for_api_requests)")
     internal var issuerID: String
 
-    @Option(help: "The path to a private key to use for generating PEM and P12 files. This key will be attached to any generated certificates or profiles")
+    @Option(help: "The path to a private key to use for generating PEM and P12 files. This key will be attached to any generated certificates or profiles. Use `openssl genrsa -out key.pem 2048` to generate it.")
     internal var privateKeyPath: String
 
     @Option(help: "The path to the private key (https://developer.apple.com/documentation/appstoreconnectapi/generating_tokens_for_api_requests)")