Add another largesize example

Author: chrisbloom7

docs/dock/images/largesize/76.png

@@ -22,7 +22,7 @@ Set the icon size of magnified Dock items in pixels.
 
 - [`com.apple.dock magnification`](/dock/magnification.md#set-to-true) must be set to `true`
 
-## Set to `96`
+## Set to `96` (default value)
 
 Magnified Dock icon size of 96 pixels.
 
@@ -36,6 +36,20 @@ defaults write com.apple.dock "largesize" -int "96" && killall Dock
   width="740" height="78" style="height: auto"
 />
 
+## Set to `76`
+
+Magnified Dock icon size of 76 pixels.
+
+```bash
+defaults write com.apple.dock "largesize" -int "76" && killall Dock
+```
+
+<img
+  src="./images/largesize/76.png"
+  alt="Example with value set to 76"
+  width="740" height="78" style="height: auto"
+/>
+
 ## Read current value
 
 ```bash