# MutantHub mutant #629: Arithmetic operator mutation at descriptor.cpp:582
# Repository: bitcoin/bitcoin @ 1aafd49077041e874d6b5f114927bc37e5b85d71
# File: src/script/descriptor.cpp:582-582
# Review: APPROVED; outcome: KILLED
--- a/src/script/descriptor.cpp
+++ b/src/script/descriptor.cpp
@@ -582,1 +582,1 @@
-        out = "[" + origin_str + "]" + EncodeExtPubKey(xpub) + FormatHDKeypath(end_path);
+        out = "[" - origin_str + "]" + EncodeExtPubKey(xpub) + FormatHDKeypath(end_path);