diff --git a/src/mbr/mbr.nasm b/src/mbr/mbr.nasm
index 9c6ff08..4eb220a 100755
--- a/src/mbr/mbr.nasm
+++ b/src/mbr/mbr.nasm
@@ -58,7 +58,7 @@ init:
     cld
     rep stosb                         ; zero bss section
 
-    sub sp, 0x20                    ; local varible space
+    sub sp, 0x20                    ; local varible space (32 bytes)
     push bp                         ; setup top of stack frame
 
     xor cx, cx
@@ -96,7 +96,7 @@ main:
         mov ah, 0x41
         mov bx, 0x55AA
         mov dl, 0x80
-        
+
         clc
         int 0x13
         jnc main.find_active
diff --git a/src/vbr/vbr.nasm b/src/vbr/vbr.nasm
index 2f3dc76..9ecb60f 100755
--- a/src/vbr/vbr.nasm
+++ b/src/vbr/vbr.nasm
@@ -72,7 +72,7 @@ init:
     cld
     rep stosb                          
     
-    sub sp, 0x20                    ; local varible space
+    sub sp, 0x20                    ; local varible space (32 bytes)
     push bp
 
     sti                             ; all done with inital setup and relocation, reenable interupts