[monitoring-plugins] Fix typo

[Lorenz Kästle]

 Module: monitoring-plugins
 Branch: master
 Commit: 27d30c3df0904ef4c81ad5adc50fa451777693a9
 Author: Lorenz Kästle <12514511+RincewindsHat at users.noreply.github.com>
   Date: Mon Jun 23 10:34:12 2025 +0200
    URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=27d30c3d

Fix typo

---

 plugins-root/check_icmp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins-root/check_icmp.c b/plugins-root/check_icmp.c
index 7f01e1b6..d181af56 100644
--- a/plugins-root/check_icmp.c
+++ b/plugins-root/check_icmp.c
@@ -2114,7 +2114,7 @@ void print_help(void) {
 	printf("    %s", _("max packet interval (default "));
 	printf("%0.3fms)\n", (float)DEFAULT_PKT_INTERVAL / 1000);
 	printf(" %s\n", "-I");
-	printf("    %s%0.3fms)\n    The time intervall to wait in between one target and the next",
+	printf("    %s%0.3fms)\n    The time interval to wait in between one target and the next",
 		   _("max target interval (default "), (float)DEFAULT_TARGET_INTERVAL / 1000);
 	printf(" %s\n", "-m");
 	printf("    %s", _("number of alive hosts required for success"));