diff --git a/commit.md b/commit.md
index b5f330b..5eda6ec 100644
--- a/commit.md
+++ b/commit.md
@@ -114,7 +114,7 @@ If you have no merge conflicts all will be good and the code will now appear in
 
 If you want to visualise this on your git diagram what you've done is effectively this:
 
-```marmaid
+```mermaid
 gitGraph
     commit id: "first commit"
     commit id: "updates"
@@ -130,7 +130,7 @@ git tag -a v1.0 -m "my version 1.0"
 
 This is effectively what happens in your git branch.
 
-```marmaid
+```mermaid
 gitGraph
     commit id: "first commit"
     commit id: "updates" tag: "v1.0"