Fix #1752132: wrong comment in opcode description.
(backport from rev. 56280)
diff --git a/Include/opcode.h b/Include/opcode.h
index d8cb2cd..2816369 100644
--- a/Include/opcode.h
+++ b/Include/opcode.h
@@ -112,7 +112,7 @@
#define LOAD_GLOBAL 116 /* Index in name list */
#define CONTINUE_LOOP 119 /* Start of loop (absolute) */
-#define SETUP_LOOP 120 /* Target address (absolute) */
+#define SETUP_LOOP 120 /* Target address (relative) */
#define SETUP_EXCEPT 121 /* "" */
#define SETUP_FINALLY 122 /* "" */