Update `OP_APOST` description (typo fixed).
MODIFY
include/mruby/ops.h
include/mruby/ops.h
@@ -88,7 +88,7 @@ OPCODE(ARYPUSH, B) /* ary_push(R(a),R(a+1)) */
OPCODE(ARYDUP, B) /* R(a) = ary_dup(R(a)) */
OPCODE(AREF, BBB) /* R(a) = R(b)[c] */
OPCODE(ASET, BBB) /* R(a)[c] = R(b) */
-OPCODE(APOST, BBB) /* *R(a),R(a+1)..R(a+C) = R(a)[b..] */
+OPCODE(APOST, BBB) /* *R(a),R(a+1)..R(a+c) = R(a)[b..] */
OPCODE(INTERN, B) /* R(a) = intern(R(a)) */
OPCODE(STRING, BB) /* R(a) = str_dup(Lit(b)) */
OPCODE(STRCAT, B) /* str_cat(R(a),R(a+1)) */

Update `OP_APOST` description (typo fixed).