diff --git a/exo/28/20.md b/exo/28/20.md
index 8cc9eca8f7..00e1c52d94 100644
--- a/exo/28/20.md
+++ b/exo/28/20.md
@@ -1,4 +1,4 @@
-# ruby ... jasper
+# beryl ... jasper
 
 These are precious stones. (See: [[rc://en/ta/man/translate/translate-unknown]])