diff --git a/src/chapter-03.md b/src/chapter-03.md
index 6121388..a3ae7a7 100644
--- a/src/chapter-03.md
+++ b/src/chapter-03.md
@@ -1932,25 +1932,25 @@ timing.
 ;
 ; By Michael Abrash
 ;
-mystack   segment    para stack ‘STACK'
+mystack   segment    para stack 'STACK'
      db         512 dup(?)
-mystack    ends
+mystack   ends
 ;
-Code  segment   para public ‘CODE'
+Code  segment   para public 'CODE'
       assume    cs:Code, ds:Code
-      extrn ZTimerOn:near, ZTimerOff:near, ZTimerReport:near
-Startproc   near
-      push  cs
-     pop    ds     ;point DS to the code segment,
+      extrn     ZTimerOn:near, ZTimerOff:near, ZTimerReport:near
+Start proc near
+     push  cs
+     pop   ds      ;point DS to the code segment,
                    ; so data as well as code can easily
                    ; be included in TESTCODE
 ;
 ; Delay for 6-7 seconds, to let the Enter keystroke that started the
 ; program come back up.
 ;
-     mov  ah,2ch
-     int  21h        ;get the current time
-     mov  bh,dh      ;set the current time aside
+     mov   ah,2ch
+     int   21h                ;get the current time
+     mov   bh,dh              ;set the current time aside
 DelayLoop:
      mov   ah,2ch
      push  bx                 ;preserve start time
@@ -1962,12 +1962,12 @@ DelayLoop:
      add   dh,60              ;yes, a minute must have turned over,
                               ; so add one minute
 CheckDelayTime:
-     sub   dh,bh                 ;get time that's passed
-     cmp   dh,7                  ;has it been more than 6 seconds yet?
-     jb    DelayLoop             ;not yet
+     sub   dh,bh              ;get time that's passed
+     cmp   dh,7               ;has it been more than 6 seconds yet?
+     jb    DelayLoop          ;not yet
 ;
-     include   TESTCODE          ;code to be measured, including calls
-                                 ; to ZTimerOn and ZTimerOff
+     include   TESTCODE       ;code to be measured, including calls
+                              ; to ZTimerOn and ZTimerOff
 ;
 ; Display the results.
 ;
@@ -1975,8 +1975,8 @@ CheckDelayTime:
 ;
 ; Terminate the program.
 ;
-     mov  ah,4ch
-     int  21h
+     mov   ah,4ch
+     int   21h
 Start endp
 Code  ends
       end     Start