diff --git a/README b/README
index 81c22892..30b901ea 100644
--- a/README
+++ b/README
@@ -218,7 +218,7 @@ You should have received a copy of the GNU General Public License along with thi
 
 --verbose  | -v Verbose output.
 
---batch Never ask for user input, use the default behaviour.
+--batch Never ask for user input, use the default behavior.
 
 --no-color Do not use colors in the output.
 
diff --git a/README.md b/README.md
index afac114f..575c6d02 100644
--- a/README.md
+++ b/README.md
@@ -219,7 +219,7 @@ Apple Xcode, Command Line Tools and the libffi are needed (to be able to install
 
     --verbose  | -v Verbose output.
 
-    --batch Never ask for user input, use the default behaviour.
+    --batch Never ask for user input, use the default behavior.
 
     --no-color Do not use colors in the output.