Clarify defaults write commands.

diff --git a/mac/README.md b/mac/README.md
index e2c510355cc8f35029c09dc0040c697c903680d1..9fa0ac11541e5540699968fc9ec68472075c5a80 100644 (file)
--- a/mac/README.md
+++ b/mac/README.md
@@ -26,11 +26,11 @@ which would be set in the plist file like this:
     <string>http://example.com</string>
   </dict>
 ```
-can be set via the command line like this:
-```
-defaults write org.mozilla.firefox Homepage__URL -string "http://example.com"
+As correctly writing nested values with the `defaults` command can be hard, Firefox also supports writing nested values by separating them with `__`, like this:
+```bash
+sudo defaults write /Library/Preferences/org.mozilla.firefox Homepage__URL -string "http://example.com"
 ```
 Before any command line policies will work, you need to enable policies like this:
-```
-defaults write org.mozilla.firefox EnterprisePoliciesEnabled -bool TRUE
+```bash
+sudo defaults write /Library/Preferences/org.mozilla.firefox EnterprisePoliciesEnabled -bool TRUE
 ```