Meta: Fix typos in shell script comments

Author: https://github.com/DanShaders
Commit: 24682f5dcf
Pull-request: https://github.com/SerenityOS/serenity/pull/21296
Reviewed-by: https://github.com/ADKaster

Meta/shell_include.sh

@@ -3,7 +3,7 @@
 # SC2034: "Variable appears unused. Verify it or export it."
 #         Those are intentional here, as the file is meant to be included elsewhere.
 
-# NOTE: If using another privilege escalation binary make sure it is configured or has the appropiate flag
+# NOTE: If using another privilege escalation binary make sure it is configured or has the appropriate flag
 #       to keep the current environment variables in the launched process (in sudo's case this is achieved
 #       through the -E flag described in sudo(8).
 die() {