diff --git a/pages/12.training-materials/beer/docs.md b/pages/12.training-materials/beer/docs.md
index 0cccbbc..4a71ba7 100644
--- a/pages/12.training-materials/beer/docs.md
+++ b/pages/12.training-materials/beer/docs.md
@@ -40,3 +40,9 @@ Beer should be served cold with a fine collar of froth on it. The froth comes fr
 * Strongbow
 * Amstel
 * John Smiths
+
+# Production of Beer:
+[mermaid]
+graph TD;
+  Barley-->Hops;
+[/mermaid]
\ No newline at end of file