Mention the xcursor-themes package in the README file

diff --git a/README b/README
index b87be08..213bd5a 100644 (file)
--- a/README
+++ b/README
@@ -21,3 +21,7 @@ $ ./xicursorset 2 right_ptr whiteglass
 
 Set the cursor with id=2 to the 'left_ptr' image from the default theme
 $ ./xicursorset 2 left_ptr
+
+
+NOTE: the "redglass" and "whiteglass" cursor themes are sometimes provided in
+a separate package called "xcursor-themes".