diff --git a/src/entities/InterchangeSystem.ts b/src/entities/InterchangeSystem.ts
index 8ed86d3..b8cfbe1 100644
--- a/src/entities/InterchangeSystem.ts
+++ b/src/entities/InterchangeSystem.ts
@@ -60,7 +60,7 @@ export interface InterchangeSystemBuilderArguments {
    * find the distance at which the shuttle would normally take
    * ~1 minute to reach the next stop.
    */
-  shutleStopNearbyDegreeDelta: number;
+  shuttleStopNearbyDegreeDelta: number;
 }
 
 export class InterchangeSystem {
diff --git a/src/index.ts b/src/index.ts
index 03cd30f..fb2d04d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -25,7 +25,7 @@ const supportedSystems: InterchangeSystemBuilderArguments[] = [
     name: "Chapman University",
     useSelfUpdatingEtas: true,
     shuttleStopArrivalDegreeDelta: 0.001,
-    shutleStopNearbyDegreeDelta: 0.003,
+    shuttleStopNearbyDegreeDelta: 0.003,
   }
 ]
 
diff --git a/testHelpers/apolloTestServerHelpers.ts b/testHelpers/apolloTestServerHelpers.ts
index 83f3173..52cc048 100644
--- a/testHelpers/apolloTestServerHelpers.ts
+++ b/testHelpers/apolloTestServerHelpers.ts
@@ -26,7 +26,7 @@ const systemInfoForTesting: InterchangeSystemBuilderArguments = {
   parkingSystemId: ChapmanApiBasedParkingRepositoryLoader.id,
   useSelfUpdatingEtas: false,
   shuttleStopArrivalDegreeDelta: 0.001,
-  shutleStopNearbyDegreeDelta: 0.003,
+  shuttleStopNearbyDegreeDelta: 0.003,
 };
 
 export function buildSystemForTesting() {