diff --git a/src/config/config.c b/src/config/config.c
index a8ad6e0f..19b17086 100644
--- a/src/config/config.c
+++ b/src/config/config.c
@@ -840,7 +840,7 @@ void initConfig(struct config *conf)
 	conf->ntp.sync.server.c = validate_stub; // Only type-based checking
 
 	conf->ntp.sync.interval.k = "ntp.sync.interval";
-	conf->ntp.sync.interval.h = "Interval in seconds between successive syncronization attempts with the NTP server";
+	conf->ntp.sync.interval.h = "Interval in seconds between successive synchronization attempts with the NTP server";
 	conf->ntp.sync.interval.t = CONF_UINT;
 	conf->ntp.sync.interval.d.ui = 3600;
 	conf->ntp.sync.interval.c = validate_stub; // Only type-based checking
diff --git a/test/pihole.toml b/test/pihole.toml
index b765e555..d29dc427 100644
--- a/test/pihole.toml
+++ b/test/pihole.toml
@@ -489,7 +489,7 @@
     #     valid NTP upstream server
     server = "pool.ntp.org"
 
-    # Interval in seconds between successive syncronization attempts with the NTP server
+    # Interval in seconds between successive synchronization attempts with the NTP server
     interval = 3600
 
     # Number of NTP syncs to perform and average before updating the system time