diff --git a/sysdata.go b/sysdata.go
index c15e922..ee99ae2 100644
--- a/sysdata.go
+++ b/sysdata.go
@@ -7,8 +7,8 @@ import (
 
 // The sysData type contains all system data. It provides the system-specific underlying implementation. It is guaranteed to have the following by embedding:
 type cSysData struct {
-	ctype			int
-	event			chan struct{}
+	ctype	int
+	event	chan struct{}
 }
 func (c *cSysData) make(initText string, initWidth int, initHeight int, window *sysData) error {
 	panic(runtime.GOOS + " sysData does not define make()")