diff --git a/include/unicorn/unicorn.h b/include/unicorn/unicorn.h
index 27bb325b..f3468ab6 100644
--- a/include/unicorn/unicorn.h
+++ b/include/unicorn/unicorn.h
@@ -78,7 +78,7 @@ typedef enum uc_arch {
     UC_ARCH_ARM64,      // ARM-64, also called AArch64
     UC_ARCH_MIPS,       // Mips architecture
     UC_ARCH_X86,        // X86 architecture (including x86 & x86-64)
-    UC_ARCH_PPC,        // PowerPC architecture
+    UC_ARCH_PPC,        // PowerPC architecture (currently unsupported)
     UC_ARCH_SPARC,      // Sparc architecture
     UC_ARCH_M68K,       // M68K architecture
     UC_ARCH_MAX,