diff --git a/docs/en/module/comx_nb-iot.md b/docs/en/module/comx_nb-iot.md
index 8a3677ad..a112e79a 100644
--- a/docs/en/module/comx_nb-iot.md
+++ b/docs/en/module/comx_nb-iot.md
@@ -48,9 +48,13 @@
 ## Certification
 
 • CE/FCC/GCF/PTCRB/ATEX
+
 • RoHS/REACH
+
 • Telstra*(on going)
+
 • Vodafone
+
 • Deutsche Telekom