diff --git a/app/build.gradle b/app/build.gradle
index f717823..d6587dc 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -55,7 +55,9 @@ dependencies {
     implementation deps.androidx.appcompat
     implementation deps.androidx.coreKtx
     implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.6.2'
-    implementation 'com.google.android.gms:play-services-maps:18.2.0'
+
+    // Instead of the lines below, regular apps would load these libraries from Maven according to
+    // the README installation instructions
     implementation project(':maps-ktx')
     implementation project(':maps-utils-ktx')
 }
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 2712d80..dcb2b57 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -20,7 +20,7 @@
 
         <!--
         To add your Maps API key to this project:
-            1. Create a file ./secure.properties
+            1. Create a file ./secrets.properties
             2. Add this line, where YOUR_API_KEY is your API key:
                 MAPS_API_KEY=YOUR_API_KEY
         -->
diff --git a/app/src/main/java/com/google/maps/android/ktx/demo/MainActivity.kt b/app/src/main/java/com/google/maps/android/ktx/demo/MainActivity.kt
index 7709fdc..ceaabba 100644
--- a/app/src/main/java/com/google/maps/android/ktx/demo/MainActivity.kt
+++ b/app/src/main/java/com/google/maps/android/ktx/demo/MainActivity.kt
@@ -51,7 +51,7 @@ import org.json.JSONException
  * A demo of multiple layers on the map.
  *
  * To add your Maps API key to this project:
- *   1. Create a file ./secure.properties
+ *   1. Create a file ./secrets.properties
  *   2. Add this line, where YOUR_API_KEY is your API key:
  *        MAPS_API_KEY=YOUR_API_KEY
  */
@@ -67,7 +67,7 @@ class MainActivity : AppCompatActivity() {
         setContentView(R.layout.activity_main)
 
         if (BuildConfig.MAPS_API_KEY.isEmpty()) {
-            Toast.makeText(this, "Add your own API key in ./secure.properties as MAPS_API_KEY=YOUR_API_KEY", Toast.LENGTH_LONG).show()
+            Toast.makeText(this, "Add your own API key in ./secrets.properties as MAPS_API_KEY=YOUR_API_KEY", Toast.LENGTH_LONG).show()
         }
 
         val mapFragment = supportFragmentManager.findFragmentById(R.id.map) as SupportMapFragment