diff --git a/README.md b/README.md
index 1e70a3e..546f56e 100644
--- a/README.md
+++ b/README.md
@@ -9,8 +9,8 @@
 	* [5] = dwell_units
 * This arrangement is incorrect, at least for firmware version 'A3' which is all I have access to. The actual returned array is as follows:
 	* [0] = '205'
-	* [2] = swtich_state
+	* [2] = switch_state
 	* [3] = dwell_0
 	* [4] = dwell_1
 	* [5] = dwell_units
-* This means that from the returned array alone the relevant step cannot be determined
\ No newline at end of file
+* This means that from the returned array alone the relevant step cannot be determined