diff --git a/UltiSnips/all.snippets b/UltiSnips/all.snippets
index cb38189..2653eda 100644
--- a/UltiSnips/all.snippets
+++ b/UltiSnips/all.snippets
@@ -39,5 +39,5 @@ snippet note "NOTE comment"
 endsnippet
 
 snippet *x "GitHub style checkbox"
-* [${1:x}] $0
+* [${1: }] $0
 endsnippet