cpu: fix typo in comments

Change-Id: Icb2bacefd7d8656e0a5867cb90fe0ca06252ad0b
GitHub-Last-Rev: c6d3b42e1bdf6ec94c5670667050a04c4c60cf22
GitHub-Pull-Request: golang/sys#120
Reviewed-on: https://go-review.googlesource.com/c/sys/+/390934
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
diff --git a/cpu/syscall_aix_gccgo.go b/cpu/syscall_aix_gccgo.go
index a864f24..9613415 100644
--- a/cpu/syscall_aix_gccgo.go
+++ b/cpu/syscall_aix_gccgo.go
@@ -5,7 +5,7 @@
 // Recreate a getsystemcfg syscall handler instead of
 // using the one provided by x/sys/unix to avoid having
 // the dependency between them. (See golang.org/issue/32102)
-// Morever, this file will be used during the building of
+// Moreover, this file will be used during the building of
 // gccgo's libgo and thus must not used a CGo method.
 
 //go:build aix && gccgo