diff --git a/.github/.wordlist.txt b/.github/.wordlist.txt
index 722e7804bc327c..7c117d5f65634f 100644
--- a/.github/.wordlist.txt
+++ b/.github/.wordlist.txt
@@ -879,6 +879,7 @@ MoveWithOnOff
 MPSL
 MRP
 MTD
+MTR
 MTU
 Multiband
 Multicast