diff --git a/packages/schematics/angular/ai-config/files/__rulesName__.template b/packages/schematics/angular/ai-config/files/__rulesName__.template
index 0d4f1bbf8d41..fb18d732cdb6 100644
--- a/packages/schematics/angular/ai-config/files/__rulesName__.template
+++ b/packages/schematics/angular/ai-config/files/__rulesName__.template
@@ -34,7 +34,6 @@
 - Use signals for local component state
 - Use `computed()` for derived state
 - Keep state transformations pure and predictable
-- Do NOT use `mutate` on signals, use `update` or `set` instead
 
 ## Templates