diff --git a/README.txt b/README.txt
index 5d5c5ab..20dd451 100644
--- a/README.txt
+++ b/README.txt
@@ -163,7 +163,7 @@ void spritz_mac_final(spritz_ctx *mac_ctx,
 <https://www.arduino.cc/en/Guide/Libraries>
 
 Compiling this library with GCC or Clang will guarantee zero optimization
-for functions that should be compiler with zero optimization. 
+for functions that should be compiler with zero optimization.
 
 
 # Reporting bugs