Fix typo: combined. (#1254)

diff --git a/include/capstone/m680x.h b/include/capstone/m680x.h
index 4821631..c8296e4 100644
--- a/include/capstone/m680x.h
+++ b/include/capstone/m680x.h
@@ -72,7 +72,7 @@
 #define M680X_OFFSET_BITS_16  16
 
 // Supported bit flags for mem.idx.flags
-// These flags can be comined
+// These flags can be combined
 #define M680X_IDX_INDIRECT     1
 #define M680X_IDX_NO_COMMA     2
 #define M680X_IDX_POST_INC_DEC 4