diff --git a/readme.md b/readme.md
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--- a/readme.md
+++ b/readme.md
@@ -4,6 +4,6 @@
 
 ## Notes ##
 
-* Use RX pin on ESP-01s as input because GPIO0 and GPIO2 seem to cause boot issues because of internal pull up resistors.
+* Use RX pin on ESP-01s for input because GPIO0 and GPIO2 seem to cause boot issues because of internal pull up resistors.
 * The 3v3 output pin on the RCWL does not supply sufficient current to power ESP-01s
 * RCWL is 5v powered
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