diff --git a/bbn_m5atomS3_lite_alternator_freq_to_RPM/README.md b/bbn_m5atomS3_lite_alternator_freq_to_RPM/README.md
index 0df6039..450ff3d 100644
--- a/bbn_m5atomS3_lite_alternator_freq_to_RPM/README.md
+++ b/bbn_m5atomS3_lite_alternator_freq_to_RPM/README.md
@@ -15,6 +15,6 @@ The circuit of the boars looks like this:
 
 There are different variations of the board for 12V input signal or 24V with different pull down resistor on the board.
 
-Select appropriate for your alternator voltage. 
+Select appropriate one for your alternator voltage. 
 
-Alternator has a terminal marked 'W' which output a sine wave form of the alternator output.
+Alternator has a terminal marked 'W' which gives a sine wave form of the alternator output.