Fix match and guard 'arms' typo (#2113)

Author: Kissaki

blog/2026-01-17-nushell_v0_110_0.md

@@ -612,7 +612,7 @@ Ranges that include a parenthesized expression will now be parsed correctly afte
 
 ### Fixed parsing issue with multiarm match + guard [[toc](#table-of-contents)]
 
-Match statements with multiple alarms and a guard expression, such as the below example, will now be parsed correctly after [#17115](https://github.com/nushell/nushell/pull/17115). Previously, such an expression would fail to parse.
+Match statements with multiple arms and a guard expression, such as the below example, will now be parsed correctly after [#17115](https://github.com/nushell/nushell/pull/17115). Previously, such an expression would fail to parse.
 
 ```nu
 match 3 {