Improved instructions

build/CODESIGNING.md

@@ -23,7 +23,7 @@ Then take the certificate generated by the tutorial above and copy it to your cl
 $ base64 -i CertificateFile.p12 | pbcopy
 ```
 
-and set the secrets into the Github Repository.
+and set the secrets `CERTIFICATES_P12` and `CERTIFICATES_P12_PASSWORD` into the Github Repository.
 
 This will allow the action to sign Processing and the JRE
 
@@ -40,6 +40,7 @@ Follow these instructions https://support.apple.com/en-us/102654 to setup an app
 ### Release
 
 Finally create a release to test the signing actions
+
 ## Sign locally
 
 - Be on a MacOS computer