diff --git a/docs/kotlin.md b/docs/kotlin.md
index dbecbbf..738f90c 100644
--- a/docs/kotlin.md
+++ b/docs/kotlin.md
@@ -49,7 +49,7 @@ apply plugin: "kotlin-android"
 apply plugin: "kotlin-android-extensions"
 ```
 
-3, Open AndroidManifest.xml and add the following line activity:
+3. Open AndroidManifest.xml and add the following line activity:
 
 ```
 android:exported="true"