diff --git a/tsconfig.json b/tsconfig.json
index 67191bb..192091a 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -9,7 +9,7 @@
     "moduleResolution": "Bundler",
     "importHelpers": true,
     "isolatedModules": true,
-	"strictNullChecks": true,
+	  "strictNullChecks": true,
     "lib": [
       "DOM",
       "ES5",