diff --git a/2013/hou/doc/example.markdown b/2013/hou/doc/example.markdown
index a6d846f68..3bf45238c 100644
--- a/2013/hou/doc/example.markdown
+++ b/2013/hou/doc/example.markdown
@@ -33,7 +33,7 @@ You can directly feed it to the renderer. If you're wondering about what the fol
 	iiEJpp%
 	uuEJpp%
 	ZnY|{|e
-	[mZ|{{#
+	[mZ|\{\{#
 	[mZ|||f
 	kkdr{{%
 	lkdr{{>
@@ -349,4 +349,4 @@ Continue to the EOF
 
 The last line, well, is the output filename. Just remember to throw in two ']'s and don't put a newline after it.
 
-	]]example.ppm
\ No newline at end of file
+	]]example.ppm