diff --git a/packages/forms/src/model/abstract_model.ts b/packages/forms/src/model/abstract_model.ts
index 7880d16037e..53e926da80f 100644
--- a/packages/forms/src/model/abstract_model.ts
+++ b/packages/forms/src/model/abstract_model.ts
@@ -1443,6 +1443,8 @@ export abstract class AbstractControl<
    *
    * Calling `setErrors` also updates the validity of the parent control.
    *
+   * Note: Manually set errors are always overwritten by the results of the next validation run.
+   *
    * @param opts Configuration options that determine how the control propagates
    * changes and emits events after the control errors are set.
    * * `emitEvent`: When true or not supplied (the default), the `statusChanges`