diff --git a/plugin/README.md b/plugin/README.md
index 601744f4..f3a8df6c 100644
--- a/plugin/README.md
+++ b/plugin/README.md
@@ -88,7 +88,7 @@ Then add it to your manifest:
         ...
         <provider android:name=".BinaryProvider"
                   android:exported="true"
-                  android:authorities="com.github.shadowsocks.plugin.$PLUGIN_ID">
+                  android:authorities="$FULLY_QUALIFIED_NAME_OF_YOUR_CONTENTPROVIDER">
             <intent-filter>
                 <action android:name="com.github.shadowsocks.plugin.ACTION_NATIVE_PLUGIN"/>
             </intent-filter>
diff --git a/plugin/doc.md b/plugin/doc.md
index 4caebaac..b652eea3 100644
--- a/plugin/doc.md
+++ b/plugin/doc.md
@@ -153,7 +153,7 @@ This corresponds to `com.github.shadowsocks.plugin.NativePluginProvider` in the
         ...
         <provider android:name=".BinaryProvider"
                   android:exported="true"
-                  android:authorities="com.github.shadowsocks.plugin.$PLUGIN_ID">
+                  android:authorities="$FULLY_QUALIFIED_NAME_OF_YOUR_CONTENTPROVIDER">
             <intent-filter>
                 <action android:name="com.github.shadowsocks.plugin.ACTION_NATIVE_PLUGIN"/>
             </intent-filter>
diff --git a/plugin/src/main/scala/com/github/shadowsocks/plugin/NativePluginProvider.scala b/plugin/src/main/scala/com/github/shadowsocks/plugin/NativePluginProvider.scala
index 982c7f37..412ab0c1 100644
--- a/plugin/src/main/scala/com/github/shadowsocks/plugin/NativePluginProvider.scala
+++ b/plugin/src/main/scala/com/github/shadowsocks/plugin/NativePluginProvider.scala
@@ -15,7 +15,7 @@ import android.os.{Bundle, ParcelFileDescriptor}
   *    &lt;application&gt;
   *        ...
   *        &lt;provider android:name="com.github.shadowsocks.$PLUGIN_ID.BinaryProvider"
-  *                     android:authorities="com.github.shadowsocks.plugin.$PLUGIN_ID"&gt;
+  *                     android:authorities="com.github.shadowsocks.plugin.$PLUGIN_ID.BinaryProvider"&gt;
   *            &lt;intent-filter&gt;
   *                &lt;category android:name="com.github.shadowsocks.plugin.ACTION_NATIVE_PLUGIN" /&gt;
   *            &lt;/intent-filter&gt;