diff --git a/reasoning_gym/cognition/rubiks_cube.py b/reasoning_gym/cognition/rubiks_cube.py
index c34fd30a..f39d6176 100644
--- a/reasoning_gym/cognition/rubiks_cube.py
+++ b/reasoning_gym/cognition/rubiks_cube.py
@@ -31,8 +31,8 @@ class RubiksCubeDataset(ProceduralDataset):
 
     def __init__(self, config: RubiksCubeConfig):
         self._prompt_templates = [
-            "You are given a {cube_size}x{cube_size}x{cube_size} Rubik's cube. It looks like this:\n\n{cube_render} \n\nPlease provide a solution to solve this cube using Singmaster notation.",
-            "You see a size {cube_size} Rubik's cube. It is arranged this:\n\n{cube_render} \n\nPlease provide a solution to solve this cube.",
+            "You are given a {cube_size}x{cube_size}x{cube_size} Rubik's cube. It looks like this:\n\n{cube_render} \n\nPlease provide a solution to solve this cube using Singmaster notation. Do not combine any steps, for instance, do not write 'U2', and instead write 'U U'.",
+            "You see a size {cube_size} Rubik's cube. It is arranged this:\n\n{cube_render} \n\nPlease provide a solution to solve this cube using Singmaster notation. Do not combine any steps, for instance, do not write 'U2', and instead write 'U U'.",
         ]
         super().__init__(config=config, seed=config.seed, size=config.size)