diff --git a/twander.1 b/twander.1
index 60eb559..46d3dde 100644
--- a/twander.1
+++ b/twander.1
@@ -32,6 +32,12 @@
 Specify the location and name of the configuration
 file. (default is ~/.twander)
 
+If this file does not exist or cannot be opened, \'twander\' will
+display a warning to that effect but continue to run.  This is
+reasonable behavior because \'twander\' provides a command to reload
+the configuration file without exiting the program (which you would 
+presumably do after fixing the configuration file problem).
+
 .TP
 .B -d
 Start in debug mode.  (default: debug off)
@@ -67,7 +73,7 @@
 Turn off automatic refreshing of directory display. (default: refresh
 on)
 
-Normally, \'twander\' re-reads and displays the current directory
+Normally \'twander\' re-reads and displays the current directory
 every few seconds to reflect any changes that might have occured to
 that directory's contents.  This option is useful on slow machines (or
 slow X connections) and/or when working with very large directories.
@@ -163,7 +169,7 @@
 
 .SS GENERAL PROGRAM COMMANDS
 
-This family of commands controls the operation of \'twander\' itself:
+This family of commands controls the operation of \'twander\' itself.
 
 .TP
 .B Quit Program
@@ -262,7 +268,7 @@
 .SS SELECTION KEYS
 
 This family of commands controls the selection of one or more (or no)
-items in the current directory:
+items in the current directory.
 
 .TP
 .B Select All Items
@@ -301,6 +307,17 @@
 Select first item in the directory.  This will always be the
 ".." entry, but it is a quick way to get to the first part of
 a very long directory listing which does not all fit on-screen.
+.PP
+
+The mouse can also be used to select one or more items.  A
+single-click of the left mouse button selects a particular item.
+Clicking and dragging selects an adjacent group of items.  Clicking an
+item and then clicking a second item while holding down the "Shift"
+key also selects an adjacent group of items.  Finally, a group
+non-adjacent items can also be selected.  The first item is selected
+with a single left mouse button click as usual.  Each subsequent
+(non-adjacent) item is then selected by holding down the "Control"
+key when clicking on the item.
 
 .SS SCROLLING COMMANDS
 
@@ -362,6 +379,9 @@
 the \'notepad\' program (unless the association for ".txt" has
 been changed).
 
+If \'twander\' determines that it is running on neither a Unix-like
+or Win32 system, double-clicking on a file does nothing.
+
 .TP
 .B Run User-Defined Command
 User-Defined (Single Letter) Key
@@ -421,11 +441,31 @@
 directories selected in the program GUI.
 
 By default, the program expects to find configuration information in
-.B ~/.twander
+.B $HOME/.twander
 but you can override this with the
 .B -c 
 command line option.
 
+Actually, \'twander\' can look in a number
+of places to find its configuration file.  It does this using
+the following scheme (in priority order):
+
+.IP
+If the -c argument was given on the command line,
+use this argument for a configuration file.
+
+.IP
+If -c was not given on the command line, but the HOME
+environment variable is set, look for the a configuration
+file as $HOME/.twander.
+
+.IP
+If the HOME environment variable is not set
+.B and
+a -c command line argument was not provided, look
+for a file called ".twander" in the directory from which
+\'twander\' was invoked.
+
 
 .SH CONFIGURATION FILE FORMAT