diff --git a/lectures/hardware/slides.qmd b/lectures/hardware/slides.qmd
index 825ba3d010fdd22ccff614e241128a30a6a56ec7..9594b6e8e7919703f4a189c341f6f1d9ba04ab40 100644
--- a/lectures/hardware/slides.qmd
+++ b/lectures/hardware/slides.qmd
@@ -336,12 +336,13 @@ FPGA = Field-Programmable Gata Arrays
 ![Data from [Top500](www.top500.org)](static/top500.svg)
 
 
-## Additional reading
+# Additional reading
 
 * HLRS MPI course material: https://www.hlrs.de/training/self-study-materials/mpi-course-material
 * MPI standard 3.1 documentation as [PDF](https://www.mpi-forum.org/docs/mpi-3.1/mpi31-report.pdf)
 * "Computer Architecture - A Quantitative Approach" - J. Hennessy and D. Patterson
  
+ <!--
 # From the pad
 Computing devices (complications by exisiting hardware)
 - What you saw last lecture is called "shared memory parallelism"
@@ -377,3 +378,4 @@ Computing devices (complications by exisiting hardware)
     - Interconnect: Latency bound vs bandwidth bound
     - Obscure other architectures:
         - NEC Vector
+-->
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