diff --git a/UltiSnips/all.snippets b/UltiSnips/all.snippets
index 1d4ffc8..9cea6d1 100644
--- a/UltiSnips/all.snippets
+++ b/UltiSnips/all.snippets
@@ -44,5 +44,5 @@ snippet note "NOTE comment"
 endsnippet
 
 snippet *x "GitHub style checkbox"
-* [${1:x}] $0
+* [${1: }] $0
 endsnippet