diff --git a/docs/strategies/strategy_02.rst b/docs/strategies/strategy_02.rst
index f35fdcf..586ee88 100644
--- a/docs/strategies/strategy_02.rst
+++ b/docs/strategies/strategy_02.rst
@@ -26,6 +26,7 @@ How to use it
 -------------
 
 1. Estimate the mask
+^^^^^^^^^^^^^^^^^^^^
 
 To calculate the mask, all you need is your tomogram and the latest TomoTwin model:
 
@@ -34,6 +35,7 @@ To calculate the mask, all you need is your tomogram and the latest TomoTwin mod
     CUDA_VISIBLE_DEVICES=0,1 tomotwin_tools.py embedding_mask median -i tomo/tomo.mrc -m tomotwin_latest.pth -o mask
 
 2. Calculate the (filtered) embeddings
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
  .. prompt:: bash $