diff --git a/docs/Configuration.md b/docs/Configuration.md
index 5a10fb21337a..877cea6d9262 100644
--- a/docs/Configuration.md
+++ b/docs/Configuration.md
@@ -783,7 +783,7 @@ jest.setTimeout(10000); // in milliseconds
 
 Default: `5`
 
-A number of seconds after which a test is considered as slow and reported as such in the results.
+The number of seconds after which a test is considered as slow and reported as such in the results.
 
 ### `snapshotResolver` [string]
 
diff --git a/packages/jest-reporters/src/get_result_header.ts b/packages/jest-reporters/src/get_result_header.ts
index 4b7d8fe51793..1b003f3b8da3 100644
--- a/packages/jest-reporters/src/get_result_header.ts
+++ b/packages/jest-reporters/src/get_result_header.ts
@@ -43,7 +43,7 @@ export default (
 
   const testDetail = [];
 
-  if (result.perfStats && result.perfStats.slow) {
+  if (result.perfStats?.slow) {
     const runTime = (result.perfStats.end - result.perfStats.start) / 1000;
 
     testDetail.push(LONG_TEST_COLOR(runTime + 's'));