--- a/cygwin.rst	Wed Aug 02 12:36:03 2017 +0300
+++ b/cygwin.rst	Wed Aug 02 12:39:29 2017 +0300
@@ -45,7 +45,11 @@
 
   cmd# mklink /D c:\opt\cygwin\home\user c:\home
 
-List of installed packages::
+List of installed packages (``-c`` - check, ``-d`` - dump only)::
+
+  $ cygcheck -c -d
+
+Alternatively look to file content::
 
   /etc/setup/installed.db