diff --git a/api/src/opentrons/drivers/rpi_drivers/__init__.py b/api/src/opentrons/drivers/rpi_drivers/__init__.py
index 857ee3d0441..b0dd8f67bc5 100755
--- a/api/src/opentrons/drivers/rpi_drivers/__init__.py
+++ b/api/src/opentrons/drivers/rpi_drivers/__init__.py
@@ -19,10 +19,12 @@ def build_gpio_chardev(chip_name: str) -> 'GPIODriverLike':
         MODULE_LOG.warning(
             'Failed to initialize character device, will not '
             'be able to control gpios (lights, button, smoothie'
-            'kill, smoothie reset). If you need to control gpios, '
-            'first stop the robot server with systemctl stop '
-            'opentrons-robot-server. Until you restart the server '
-            'with systemctl start opentrons-robot-server, you will '
-            'be unable to control the robot using the Opentrons app.')
+            'kill, smoothie reset). Only one connection can be'
+            ' made to the gpios at a time. '
+            'If you need to control gpios, first stop the robot '
+            'server with systemctl stop opentrons-robot-server. '
+            'Until you restart the server with systemctl start '
+            'opentrons-robot-server, you will be unable to '
+            'control the robot using the Opentrons app.')
         from .gpio_simulator import SimulatingGPIOCharDev
         return SimulatingGPIOCharDev(chip_name)