Update step.yml (#86)

step.yml

@@ -1,7 +1,7 @@
 title: Android Sign
 summary: Signs your APK or Android App Bundle before uploading it to Google Play Store.
 description: |-
-  Once you have uploaded your keystore file and provided your keystore credentials on the **Code Signing** tab of the Workflow Editor, the **Android Sign** Step signs your APK digitally.
+  Once you have uploaded your keystore file and provided your keystore credentials on the **Code Signing** tab of the **App Settings** page, the **Android Sign** Step signs your APK digitally.
   Bitrise assigns Environment Variables to the uploaded file and credentials, and uses those in the respective fields of the **Android Sign** Step.
   Once the Step runs, it produces a signed APK or App Bundle which will be used as the input value of the **App file path** field in the **Google Play Deploy** Step.