diff --git a/docs/servo.md b/docs/servo.md
index b486ff6..1fa8a98 100644
--- a/docs/servo.md
+++ b/docs/servo.md
@@ -18,4 +18,21 @@ Enable/Disable the Debug
   SERVO.toggle_debug()
   ```
 
+### is_chip_pro()
+Function to report to the calling script if the SBC is a CHIP or a CHIP Pro
+
+* Parameters
+  
+  None
+
+* Returns
+
+  int - 1 for CHIP Pro, 0 for CHIP
+
+* Examples
+
+  ```python
+  is_chip_pro = UT.is_chip_pro()
+  ```
+
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