diff --git a/src/arch/x86/isa/formats/multi.isa b/src/arch/x86/isa/formats/multi.isa
index e47c8776e..8648800b4 100644
--- a/src/arch/x86/isa/formats/multi.isa
+++ b/src/arch/x86/isa/formats/multi.isa
@@ -55,10 +55,11 @@
 //
 // Authors: Gabe Black
 
-////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////
 //
-// Instructions that do the same thing to multiple sets of arguments.
+// Instructions operate on one or multiple types of sets of arguments.
 //
+//////////////////////////////////////////////////////////////////////////
 
 def format Inst(*opTypeSet) {{
     decode_block = specializeInst(Name, list(opTypeSet), EmulEnv())