-system configuration directory (/etc on Unix). We then look for a file
-named \(dq.htsnrc\(dq in the user's home directory. The latter will
-override the former.
+system configuration directory. We then look for a file named
+\(dq.htsnrc\(dq in the user's home directory. The latter will override
+the former.
+.P
+The user's home directory is simply $HOME on Unix; on Windows it's
+wherever %APPDATA% points. The system configuration directory is
+determined by Cabal; the \(dqsysconfdir\(dq parameter during the
+\(dqconfigure\(dq step is used.