types.h: fix comment spelling for 'architectures'

Spelling change, architetures -> architectures
Signed-off-by: NMark Einon <mark.einon@gmail.com>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>

include/linux/types.h

@@ -188,7 +188,7 @@ typedef __u32 __bitwise __wsum;
  * aligned_u64 should be used in defining kernel<->userspace ABIs to avoid
  * common 32/64-bit compat problems.
  * 64-bit values align to 4-byte boundaries on x86_32 (and possibly other
- * architectures) and to 8-byte boundaries on 64-bit architetures.  The new
+ * architectures) and to 8-byte boundaries on 64-bit architectures.  The new
  * aligned_64 type enforces 8-byte alignment so that structs containing
  * aligned_64 values have the same alignment on 32-bit and 64-bit architectures.
  * No conversions are necessary between 32-bit user-space and a 64-bit kernel.