diff --git a/doc/api/perf_hooks.md b/doc/api/perf_hooks.md
index 09340803e5da6e..eb919f109051bb 100644
--- a/doc/api/perf_hooks.md
+++ b/doc/api/perf_hooks.md
@@ -211,7 +211,7 @@ setImmediate(() => {
 });
 ```
 
-While the CPU is mostly idle while running this script the value of
+Although the CPU is mostly idle while running this script, the value of
 `utilization` is 1. This is because the call to [`child_process.spawnSync()`][]
 blocks the event loop from proceeding.