Update README.md

README.md

@@ -18,7 +18,7 @@ Copyright © 2023 Germann, Nakielski, Dietsch, Petzel, Moser, Triesch, Westhoff
   }
 }%%
 
-flowchart LR
+flowchart TD
 
 subgraph Legend
 l1(Sample)
@@ -95,4 +95,4 @@ end
 %% Box style
 style Studies fill:#fff, stroke-width:2px, stroke:#333;
 style Assays fill:#fff, stroke-width:2px, stroke:#333;
-end
\ No newline at end of file
+end