diff --git a/docs/testing/jest.md b/docs/testing/jest.md
index 0a910bdd6..3c94ba498 100644
--- a/docs/testing/jest.md
+++ b/docs/testing/jest.md
@@ -30,8 +30,12 @@ module.exports = {
   "roots": [
     "<rootDir>/src"
   ],
+  testMatch: [
+    "**/__tests__/**/*.+(ts|tsx|js)",
+    "**/?(*.)+(spec|test).+(ts|tsx|js)"
+  ],
   "transform": {
-    "^.+\\.tsx?$": "ts-jest"
+    "^.+\\.(ts|tsx)?$": "ts-jest"
   },
 }
 ```