diff --git a/pyrelacs/devices/mccdac.py b/pyrelacs/devices/mccdac.py
index 9da8bdd..aabe764 100644
--- a/pyrelacs/devices/mccdac.py
+++ b/pyrelacs/devices/mccdac.py
@@ -154,7 +154,7 @@ class MccDac:
         channels : list[int]
             channels to read from, provide only two int's in a list (ex [0, 1])
             for sampling from the range(channel0, channel1)
-            DAC 16 has only 2 output channels
+            DAC USB 1608GX-2AO has only 2 output channels
 
         samplerate : float
             samplerate for the duration of sampling
@@ -206,7 +206,7 @@ class MccDac:
         channels : list[int]
             channels to read from, provide only two int's in a list (ex [0, 1])
             for sampling from the range(channel0, channel1)
-            DAC 16 has only 2 output channels
+            DAC USB 1608GX-2AO has only 2 output channels
 
         """
         try:
@@ -228,7 +228,7 @@ class MccDac:
     def digital_trigger(self, ch: int = 0) -> None:
         """
         Writes a 1 to a specified digital channel, if the channel is already on 1 switches it to
-        0 and after Nanosekond it writes a 1 to the specified digital channel
+        0 and after Nano second it writes a 1 to the specified digital channel
 
         Parameters
         ----------