diff --git a/sys/net80211/ieee80211.c b/sys/net80211/ieee80211.c
index 9e7be39d4067..1034088c6fb6 100644
--- a/sys/net80211/ieee80211.c
+++ b/sys/net80211/ieee80211.c
@@ -1552,7 +1552,7 @@ ieee80211_get_channel_center_freq(const struct ieee80211_channel *c)
  * For 5, 10, 20MHz channels it'll be the normally configured channel
  * frequency.
  *
- * For 40MHz, 80MHz, 160Mhz channels it'll the centre of the
+ * For 40MHz, 80MHz, 160MHz channels it will be the centre of the
  * wide channel, not the centre of the primary channel (that's ic_freq).
  *
  * For 80+80MHz channels this will be the centre of the primary