diff --git a/tekkom-ti/PRESENTASI b/tekkom-ti/PRESENTASI
index 0955867..ea887df 100644
--- a/tekkom-ti/PRESENTASI
+++ b/tekkom-ti/PRESENTASI
@@ -70,13 +70,13 @@ B3
 71120145
 71120146
 
-B4
+B4 (Thunderbolt)
 71120126
 71120132
 71120129
 71120130
 
-B5
+B5 (Blue Track)
 71120125
 71120136
 71120140