diff --git a/configs/iax.conf.sample b/configs/iax.conf.sample
index 1857dc302c..4d8663c2e7 100644
--- a/configs/iax.conf.sample
+++ b/configs/iax.conf.sample
@@ -173,7 +173,7 @@ forcejitterbuffer=no
 ; trunkmtu = 0
 ;
 
-; This option defines the maximum size an IAX2 trunk can grow to. The default value is 128000 which
+; This option defines the maximum size an IAX2 trunk can grow to. The default value is 128000 bytes which
 ; represents 40ms uncompressed linear with 200 channels. Depending on different things though
 ; (codec in use and channels) you may need to make this value larger.
 ; trunkmaxsize = 128000