diff --git a/README.rst b/README.rst
index 10d5240..de3fc8c 100644
--- a/README.rst
+++ b/README.rst
@@ -5,4 +5,5 @@ This repository is still a work in progress. USE AT YOUR OWN RISK.
 #############
 TCAN4550-py
 #############
- This repository is to provide methods to easily control the TCAN4550 from Texas Instruments
+ This repository is to provide methods to easily control the TCAN4550 from Texas Instruments on a Raspberry Pi using SpiDev
+
diff --git a/src/TCAN4550-py/tcan4550.py b/src/TCAN4550-py/tcan4550.py
index 89bd607..9e19cf3 100644
--- a/src/TCAN4550-py/tcan4550.py
+++ b/src/TCAN4550-py/tcan4550.py
@@ -1,6 +1,7 @@
 import ctypes
 uint8_t = ctypes.c_uint8
 uint32_t = ctypes.c_uint32
+import spidev
 
 class TCAN4550: