diff --git a/android/demo-app/src/main/java/com/stadiamaps/ferrostar/AppModule.kt b/android/demo-app/src/main/java/com/stadiamaps/ferrostar/AppModule.kt
index 94582e3a7..d9c3ded37 100644
--- a/android/demo-app/src/main/java/com/stadiamaps/ferrostar/AppModule.kt
+++ b/android/demo-app/src/main/java/com/stadiamaps/ferrostar/AppModule.kt
@@ -97,7 +97,7 @@ object AppModule {
     // Option 1: Valhalla-based API
     var options =
         mapOf(
-            "costingOptions" to
+            "costing_options" to
                 // Just an example... You can set multiple costing options for any profile
                 // in Valhalla.
                 // If your app uses multiple routing modes, you can have a master settings
diff --git a/guide/src/android-getting-started.md b/guide/src/android-getting-started.md
index bafdfc633..92251b1a6 100644
--- a/guide/src/android-getting-started.md
+++ b/guide/src/android-getting-started.md
@@ -233,7 +233,7 @@ Bringing it all together, a typical init looks something like this:
 ```kotlin
 var options =
     mapOf(
-        "costingOptions" to
+        "costing_options" to
             mapOf(
                 "bicycle" to
                     mapOf(