doc: fix misspellings with 'codespell' tool

Signed-off-by: Anatol Pomozov <anatol.pomozov@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/Documentation/metag/kernel-ABI.txt b/Documentation/metag/kernel-ABI.txt
index 7b8dee8..6282166 100644
--- a/Documentation/metag/kernel-ABI.txt
+++ b/Documentation/metag/kernel-ABI.txt
@@ -189,7 +189,7 @@
 
 64-bit arguments are placed in matching pairs of registers (i.e. the same
 register number in both D0 and D1 units), with the least significant half in D0
-and the most significant half in D1, leaving a gap where necessary. Futher
+and the most significant half in D1, leaving a gap where necessary. Further
 arguments are stored on the stack in reverse order (earlier arguments at higher
 addresses):