Fix comment on system_sepolicy repo

twrp-extras.xml

@@ -34,7 +34,7 @@
     <!-- Include external Magisk repo for repack binaries -->
     <project path="external/magisk-prebuilt" name="external_magisk-prebuilt" remote="TeamWin" revision="android-11"/>
 
-    <!-- Include external Magisk repo for repack binaries -->
+    <!-- Include TeamWin sepolicy repo for postinstall support -->
     <project path="system/sepolicy" name="android_system_sepolicy" remote="TeamWin" revision="android-11"/>
 
     <!-- Include external/bash for bash support -->