diff --git a/kernel/swtch.S b/kernel/swtch.S
index 17a8663..abbd396 100644
--- a/kernel/swtch.S
+++ b/kernel/swtch.S
@@ -2,7 +2,7 @@
 #
 #   void swtch(struct context *old, struct context *new);
 # 
-# Save current registers in old. Load from new.	
+# Save current registers in old. Load from new.
 
 
 .globl swtch
@@ -39,4 +39,4 @@ swtch:
         
         ret
 
-	
+