diff --git a/packages/core/src/render3/PERF_NOTES.md b/packages/core/src/render3/PERF_NOTES.md
index 21803956b5..cea21d2f12 100644
--- a/packages/core/src/render3/PERF_NOTES.md
+++ b/packages/core/src/render3/PERF_NOTES.md
@@ -106,5 +106,5 @@ export function i18nStartFirstTemplatePass(tView: TView, index: number, message:
 
 
 ## Loops
-Don't use foreach, it can cause megamorphic function calls (depending on the browser) and function allocations.
+Don't use `forEach`, it can cause megamorphic function calls (depending on the browser) and function allocations.
 It is [a lot slower than regular `for` loops](https://jsperf.com/for-vs-foreach-misko)