Merge pull request rails#52490 from Uaitt/improve-credentials-help-output

Improve wording of `bin/rails credentials:help` command

Author: rafaelfranca

railties/lib/rails/commands/credentials/USAGE

@@ -38,8 +38,8 @@ Set up Git to Diff Credentials:
     Running the command enrolls the project such that all credentials files use the
     "rails_credentials" diff driver in .gitattributes.
 
-    Additionally since Git requires the driver itself to be set up in a config file
-    that isn't tracked Rails automatically ensures it's configured when running
+    Additionally, since Git requires the driver itself to be set up in a config file
+    that isn't tracked, Rails automatically ensures it's configured when running
     `<%= executable(:edit) %>`.
 
     Otherwise each co-worker would have to run enable manually, including on each new
@@ -48,8 +48,8 @@ Set up Git to Diff Credentials:
     To disenroll from this feature, run `<%= executable(:diff) %> --disenroll`.
 
 Editing Credentials:
-    This will open a temporary file in `$VISUAL` or `$EDITOR` with the decrypted
-    contents to edit the encrypted credentials.
+    `<%= executable(:edit) %>` will open a temporary file in `$VISUAL` or `$EDITOR`
+    with the decrypted contents to edit the encrypted credentials.
 
     When the temporary file is next saved the contents are encrypted and written to
     `config/credentials.yml.enc` while the file itself is destroyed to prevent credentials