[NFC] Fix typo in CodeGenerator.rst
The file format on z/OS is called GOFF (Generalized Object File Format),
not GCOFF.
GitOrigin-RevId: 5c9e90f2be2a94924edc24fe36f9a5178600c27e
diff --git a/docs/CodeGenerator.rst b/docs/CodeGenerator.rst
index 27889b1..5fb66c7 100644
--- a/docs/CodeGenerator.rst
+++ b/docs/CodeGenerator.rst
@@ -726,7 +726,7 @@
``COFF`` AArch64, ARM, X86
``DXContainer`` DirectX
``ELF`` AArch64, AMDGPU, ARM, AVR, BPF, CSKY, Hexagon, Lanai, LoongArch, M86k, MSP430, MIPS, PowerPC, RISCV, SPARC, SystemZ, VE, X86
- ``GCOFF`` SystemZ
+ ``GOFF`` SystemZ
``MachO`` AArch64, ARM, X86
``SPIR-V`` SPIRV
``WASM`` WebAssembly