diff --git a/data/etc/preinstalled-packages-platform.xml b/data/etc/preinstalled-packages-platform.xml
index 10fc59d2a9991..604b4072ca98b 100644
--- a/data/etc/preinstalled-packages-platform.xml
+++ b/data/etc/preinstalled-packages-platform.xml
@@ -17,7 +17,7 @@
 <!--
 This XML file declares which system packages should be initially installed for new users based on
 their user type. All system packages on the device should ideally have an entry in an xml file
-(keys by its manifest name).
+(keyed by its manifest name).
 
 Base user-types (every user will be at least one of these types) are:
   SYSTEM    (user 0)
@@ -46,7 +46,7 @@ The following three examples should cover most normal cases:
 1. For a system package to be pre-installed only in user 0:
 
    <install-in-user-type package="com.android.example">
-       <install-in user-type="SYSTEM">
+       <install-in user-type="SYSTEM" />
    </install-in-user-type>
 
 
@@ -54,8 +54,8 @@ The following three examples should cover most normal cases:
 installed on any user of type type FULL or PROFILE (since this covers all human users):
 
    <install-in-user-type package="com.android.example">
-       <install-in user-type="FULL">
-       <install-in user-type="PROFILE">
+       <install-in user-type="FULL" />
+       <install-in user-type="PROFILE" />
    </install-in-user-type>
 
 
@@ -63,22 +63,22 @@ installed on any user of type type FULL or PROFILE (since this covers all human
 wallpaper app, since profiles cannot display wallpaper):
 
    <install-in-user-type package="com.android.example">
-       <install-in user-type="FULL">
+       <install-in user-type="FULL" />
    </install-in-user-type>
 
 
 Some system packages truly are required to be on all users, regardless of type, in which case use:
    <install-in-user-type package="com.android.example">
        <install-in user-type="SYSTEM">
-       <install-in user-type="FULL">
-       <install-in user-type="PROFILE">
+       <install-in user-type="FULL" />
+       <install-in user-type="PROFILE" />
    </install-in-user-type>
 
 More fine-grained options are also available by specifying individual user types.
 E.g.
    <install-in-user-type package="com.android.example">
-       <install-in user-type="android.os.usertype.profile.MANAGED">
-       <install-in user-type="android.os.usertype.full.GUEST">
+       <install-in user-type="android.os.usertype.profile.MANAGED" />
+       <install-in user-type="android.os.usertype.full.GUEST" />
        <install-in user-type="SYSTEM">
    </install-in-user-type>
 which installs this package on any user whose user type is a managed profile or a guest, or is of