Update dvl-protocol.md

Updating frequency for range mode

Author: wl-estensd

docs/dvl/dvl-protocol.md

@@ -773,7 +773,7 @@ The available range modes are:
 | -- | -- | -- | -- |
 | 0 | 0.05 | 0.6 | 15 |
 | 1 | 0.3 | 3.0 | 10 |
-| 2 | 1.5 | 14 | 1 - 6 |
+| 2 | 1.5 | 14 | 5 - 6 |
 | 3 | 7.7 | 36 | 7 - 8 |
 | 4 | 15 | max | 2 - 4 |