perf_hooks: fix REPLACEME in doc

fanatid · fanatid · commit 36b01b7e6f69 · 2020-01-12T08:51:57.000+03:00
diff --git a/doc/api/perf_hooks.md b/doc/api/perf_hooks.md
@@ -203,7 +203,7 @@ The value may be one of:
 
 ### performanceEntry.flags
 <!-- YAML
-added REPLACEME
+added: REPLACEME
 -->
 
 * {number}
