push-keys.md

 You need to add push gateway certificates, which you obtain from Google or Apple. We make use of their REST-API.
 
-We have mounted the credentials outside of docker /opt/pushgateway/RocketChatMobilePushGateway/credentials/ so we can easily access them.
+We have mounted the credentials outside of docker `/opt/pushgateway/RocketChatMobilePushGateway/credentials/` so we can easily access them.
 
 ## Google Firebase
 
@@ -12,7 +12,7 @@ Get an Apple developer account ($ 99.- per year) and get a new push key at https
 
 Convert with `openssl pkcs8 -nocrypt -in AuthKey_YOURKEYID.p8 -out AuthKey.pem`
 
-Set `settings.json` with teamIID (= your Apple account ID) and key (= key ID);
+Set `settings.json` with teamID (= your Apple account ID) and key (= key ID);
 
 ```
 {
@@ -21,3 +21,5 @@ Set `settings.json` with teamIID (= your Apple account ID) and key (= key ID);
 "appId": "com.osalliance.RocketChatMobile"
 }
 ```
+
+(file `cred.pem` is not used with API method)
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