Update macosx-specific-properties.md

Author: fvarrui

docs/macosx-specific-properties.md

@@ -7,9 +7,9 @@
 	<generateDmg>true|false</generateDmg>
 	<generatePkg>true|false</generatePkg>
 	<relocateJar>true|false</relocateJar>
-    <appId>app unique identifier</appId>
-    <developerId>singning identity</developerId>
-    <entitlements>path/to/entitlements.plist</entitlements>
+    	<appId>app unique identifier</appId>
+    	<developerId>singning identity</developerId>
+    	<entitlements>path/to/entitlements.plist</entitlements>
 	<!-- properties used in DMG disk image generation -->
 	<backgroundImage>path/to/png</backgroundImage>
 	<windowX>x</windowX>