Fix CS_ERR_X86_MASM doc typo (#1455)

diff --git a/include/capstone/capstone.h b/include/capstone/capstone.h
index f66f305..30dc574 100644
--- a/include/capstone/capstone.h
+++ b/include/capstone/capstone.h
@@ -377,7 +377,7 @@
 	CS_ERR_SKIPDATA, ///< Access irrelevant data for "data" instruction in SKIPDATA mode
 	CS_ERR_X86_ATT,  ///< X86 AT&T syntax is unsupported (opt-out at compile time)
 	CS_ERR_X86_INTEL, ///< X86 Intel syntax is unsupported (opt-out at compile time)
-	CS_ERR_X86_MASM, ///< X86 Intel syntax is unsupported (opt-out at compile time)
+	CS_ERR_X86_MASM, ///< X86 Masm syntax is unsupported (opt-out at compile time)
 } cs_err;
 
 /**