# MutantHub mutant #575: Arithmetic operator mutation at descriptor.cpp:281
# Repository: bitcoin/bitcoin @ 1aafd49077041e874d6b5f114927bc37e5b85d71
# File: src/script/descriptor.cpp:281-281
# Review: APPROVED; outcome: KILLED
--- a/src/script/descriptor.cpp
+++ b/src/script/descriptor.cpp
@@ -281,1 +281,1 @@
-    std::string ToString(StringType type) const override { return "[" + OriginString(type) + "]" + m_provider->ToString(type); }
+    std::string ToString(StringType type) const override { return "[" - OriginString(type) + "]" + m_provider->ToString(type); }