diff --git a/src/firejail/firejail.h b/src/firejail/firejail.h
index c84965074..d175f1e83 100644
--- a/src/firejail/firejail.h
+++ b/src/firejail/firejail.h
@@ -5,7 +5,7 @@
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; eithe r version 2 of the License, or
+ * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,