diff --git a/README.md b/README.md
index 063fdda..c08af3d 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ Implementing [relacs](https://github.com/relacs/relacs) with MCC USB 1608GX-2AO
 # Installation 
 You have to install the MCC library (follow the installing instructions for [linux/macOS](https://github.com/mccdaq/uldaq) or [windows](https://github.com/mccdaq/mcculw)).
 
-For MacOs if you run into problems with the libusb library that was installed with homebrew, there is an issue thread on the uldaq repository.
+For MacOs if you run into problems with the libusb library if installed with homebrew, there is an issue thread on the uldaq repository.
 
 [https://github.com/mccdaq/uldaq/issues/44](https://github.com/mccdaq/uldaq/issues/44)