diff --git a/packages/core/src/util/ng_dev_mode.ts b/packages/core/src/util/ng_dev_mode.ts
index bbb6c7a624..7fb0579cb7 100644
--- a/packages/core/src/util/ng_dev_mode.ts
+++ b/packages/core/src/util/ng_dev_mode.ts
@@ -97,7 +97,7 @@ export function ngDevModeResetPerfCounters(): NgDevModePerfCounters {
  * (and thus Ivy instructions), so a single initialization there is sufficient to ensure ngDevMode
  * is defined for the entire instruction set.
  *
- * When using checking `ngDevMode` on toplevel, always init it before referencing it
+ * When checking `ngDevMode` on toplevel, always init it before referencing it
  * (e.g. `((typeof ngDevMode === 'undefined' || ngDevMode) && initNgDevMode())`), otherwise you can
  *  get a `ReferenceError` like in https://github.com/angular/angular/issues/31595.
  *