Update `OP_APOST` description; ref #4008

2 files changed, 2 insertions, 2 deletions

diff --git a/include/mruby/opcode.h b/include/mruby/opcode.h
index 9a5116275..a5e3af158 100644
--- a/include/mruby/opcode.h
+++ b/include/mruby/opcode.h
@@ -120,7 +120,7 @@ enum {
   OP_ARYPUSH,/*   A B     ary_push(R(A),R(B))                             */
   OP_AREF,/*      A B C   R(A) := R(B)[C]                                 */
   OP_ASET,/*      A B C   R(B)[C] := R(A)                                 */
-  OP_APOST,/*     A B C   *R(A),R(A+1)..R(A+C) := R(A)                    */
+  OP_APOST,/*     A B C   *R(A),R(A+1)..R(A+C) := R(A)[B..]               */
 
   OP_STRING,/*    A Bx    R(A) := str_dup(Lit(Bx))                        */
   OP_STRCAT,/*    A B     str_cat(R(A),R(B))                              */
diff --git a/src/vm.c b/src/vm.c
index 429cc2648..a80d170b4 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -2706,7 +2706,7 @@ RETRY_TRY_BLOCK:
     }
 
     CASE(OP_APOST) {
-      /* A B C  *R(A),R(A+1)..R(A+C) := R(A) */
+      /* A B C  *R(A),R(A+1)..R(A+C) := R(A)[B..] */
       int a = GETARG_A(i);
       mrb_value v = regs[a];
       int pre  = GETARG_B(i);