diff --git a/hammerspoon/host_config.lua b/hammerspoon/host_config.lua
index a74572b..e1381bf 100644
--- a/hammerspoon/host_config.lua
+++ b/hammerspoon/host_config.lua
@@ -13,8 +13,8 @@ function obj:init()
 end
 
 function obj.file_exists(name)
-  local f=io.open(name,"r")
-  if f~=nil then io.close(f) return true else return false end
+  local f = io.open(name, "r")
+  if f ~= nil then io.close(f) return true else return false end
 end
 
 return obj