diff --git a/demo/main.c b/demo/main.c
index a0d3e8e..a573eab 100644
--- a/demo/main.c
+++ b/demo/main.c
@@ -22,6 +22,8 @@
 
 void print_help() {
 	puts("Use `/' at the beginning to indicate a command (like in IRC).");
+	puts("  join         -- Join a channel (channel names start with `#').");
+	puts("  leave        -- Leave a channel (channel names start with `#').");
 	puts("  stats        -- Give network statistics of the local node.");
 	puts("  exit | quit  -- Close the program.");
 	puts("  help         -- Show this help information.");