diff --git a/include/corosync/engine/coroapi.h b/include/corosync/engine/coroapi.h
index b8f969ab..ece4c216 100644
--- a/include/corosync/engine/coroapi.h
+++ b/include/corosync/engine/coroapi.h
@@ -460,12 +460,12 @@ struct corosync_api_v1 {
 	int (*tpg_join) (
 		hdb_handle_t handle,
 		struct corosync_tpg_group *groups,
-		int gruop_cnt);
+		int group_cnt);
 
 	int (*tpg_leave) (
 		hdb_handle_t handle,
 		struct corosync_tpg_group *groups,
-		int gruop_cnt);
+		int group_cnt);
 
 	int (*tpg_joined_mcast) (
 		hdb_handle_t handle,
diff --git a/man/evs_mcast_groups.3 b/man/evs_mcast_groups.3
index 11437e54..fca94f17 100644
--- a/man/evs_mcast_groups.3
+++ b/man/evs_mcast_groups.3
@@ -38,7 +38,7 @@ evs_join \- Multicast a message to selected groups
 .B #include <sys/uio.h>
 .B #include <corosync/evs.h>
 .sp
-.BI "int evs_mcast_gruops(evs_handle_t " handle ", evs_guraantee_t " guarantee ", evs_group_t *" groups ", int group_entries, struct iovec *" iovec ", int " iov_len ");
+.BI "int evs_mcast_groups(evs_handle_t " handle ", evs_guraantee_t " guarantee ", evs_group_t *" groups ", int group_entries, struct iovec *" iovec ", int " iov_len ");
 .SH DESCRIPTION
 The
 .B evs_mcast_groups(3)