diff --git a/geom.go b/geom.go
index cfa5531..238c417 100644
--- a/geom.go
+++ b/geom.go
@@ -45,6 +45,7 @@ type Size struct {
 }
 
 /*
+```go
 	Horizontal  means layout widgets like books on a bookshelf
 
 	---------------------------------
@@ -66,6 +67,7 @@ type Size struct {
 	----------
 	| Widget |
 	----------
+```
 */
 type Orientation int