diff --git a/src/theme.ts b/src/theme.ts
index d379b395..cb6f6891 100644
--- a/src/theme.ts
+++ b/src/theme.ts
@@ -36,7 +36,7 @@ const theme = {
   },
   code: {
     fontSize: '13px',
-    fontFamily: 'Courirer, monospace',
+    fontFamily: 'Courier, monospace',
   },
   links: {
     color: undefined, // by default main color