diff --git a/widget/cal.lua b/widget/cal.lua
index 1446a33..fe5d343 100644
--- a/widget/cal.lua
+++ b/widget/cal.lua
@@ -17,7 +17,7 @@ local tconcat  = table.concat
 local type     = type
 local tonumber = tonumber
 local tostring = tostring
-local utf8     = utf8 
+local utf8     = utf8
 
 -- Calendar notification
 -- lain.widget.cal
diff --git a/wiki b/wiki
index 876a5a1..c37d44d 160000
--- a/wiki
+++ b/wiki
@@ -1 +1 @@
-Subproject commit 876a5a1d50f0306148c55d86937fd2f1d7b174ac
+Subproject commit c37d44d137c3a163095d155f09372f6da8fb8e51