runtime: Fix more typos (#13354)

* Fix more typos

* Fix typos in ignored runtime/ directory

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/syntax/nix.vim b/runtime/syntax/nix.vim
index 671b269..ef52cdd 100644
--- a/runtime/syntax/nix.vim
+++ b/runtime/syntax/nix.vim
@@ -99,7 +99,7 @@
 "
 " "\%(\s\|#.\{-\}\n\|\n\|/\*\_.\{-\}\*/\)*"
 "
-" It is also used throught the whole file and is marked with 'v's as well.
+" It is also used throughout the whole file and is marked with 'v's as well.
 "
 " Fortunately the matching rules for function arguments are much simpler than
 " for real attribute sets, because we can stop when we hit the first ellipsis or