diff --git a/doc.zih.tu-dresden.de/docs/software/mpi_usage_error_detection.md b/doc.zih.tu-dresden.de/docs/software/mpi_usage_error_detection.md
index 4436bf81d0227a222efc961552b0dc85c3f4d3bf..8adf51ff95d2980e13e32ff7e4a1aec15e23e3bf 100644
--- a/doc.zih.tu-dresden.de/docs/software/mpi_usage_error_detection.md
+++ b/doc.zih.tu-dresden.de/docs/software/mpi_usage_error_detection.md
@@ -16,7 +16,7 @@ errors or non-portable constructs. You can apply MUST without modifying your sou
 suggest to add the debugging flag "-g" during compilation.
 
 ![MUST Introduction Slides](misc/parallel_debugging_must.pdf)
-{: align="left"}
+{: align="center"}
 
 ### Setup and Modules