diff --git a/gidubba.asm b/gidubba.asm
index 24eb7f9..88b1622 100644
--- a/gidubba.asm
+++ b/gidubba.asm
@@ -199,7 +199,7 @@ instrt: cleq    r0, r0, prnln
 
         ;***
 
-        ;Make room for the line (To do!)
+        ;Make room for the line
 
         ;Store the save address
         ;High byte
@@ -208,6 +208,7 @@ instrt: cleq    r0, r0, prnln
         store   cmpadr, r3
         ;Low byte
         load    r0, sublod + 2
+        store   subchk + 2, r0
         store   cmpadr + 1, r0
 
         ;Find the end of the save address
@@ -617,7 +618,7 @@ incdw:  xor     r3, r3
 
         ;***
 
-        ;Decrement a value stored in r0 and r1 (To do!)
+        ;Decrement a value stored in r0 and r1
 
         ;Store the low byte in r3
 decdw:  xor     r3, r3