diff --git a/README.rst b/README.rst
index 41f8c56..537253a 100644
--- a/README.rst
+++ b/README.rst
@@ -62,6 +62,7 @@ Usage Example
 
 .. code-block:: python
 
+  import time
   import busio
   import digitalio
   from board import SCK, MOSI, MISO, D2, D3