diff --git a/docs/06-advanced-options.md b/docs/06-advanced-options.md
index 3bfd333..0b01b39 100644
--- a/docs/06-advanced-options.md
+++ b/docs/06-advanced-options.md
@@ -234,7 +234,7 @@ Use this option to handle hardlinks (only works on Linux/OSX). The `first` optio
 
 ### ignore-filenames
 `--ignore-filenames`  
-Use this option to set a filename, or list of filenames, that indicate exclusion of a folder which contains it. A common use would be to have a file named something like ".nobackup" and place this file into folders that should not be backed up. The separator for Windows system is a semicolon (;) and for Linux systems is a colon (:).
+Use this option to set a filename, or list of filenames, that indicate exclusion of a folder which contains it. A common use would be to have a file named something like ".nobackup" and place this file into folders that should not be backed up. The separator for Windows systems is a semicolon (;) and for Linux systems is a colon (:).
 
 ### include
 `--include`