diff --git a/twander.1 b/twander.1
index a3f63e2..14f6d08 100644
--- a/twander.1
+++ b/twander.1
@@ -121,6 +121,29 @@
 [DIRECTORY] is replaced with the current directory
 name (ending with a path separator character).
 
+If one of these special symbols is used at the end of a line which is
+quoted, be sure to leave a space between the symbol and the
+terminating quote or \'twander\' will not recognize the special
+symbol:
+
+.nf
+
+# This is OK
+some-command "arg1 arg2 [FILE] "
+
+# This is NOT OK
+some-command "arg1 arg2 [FILE]"
+
+.fi
+
+This is required because \'twander\' expects whitespace separators
+between the various kinds of configuration file entries (literals,
+environment variables, [FILE], and [DIRECTORY].  It thus parses
+[FILE]" in our example as
+.B literal text
+since the closing double-quote appears to be part of the string.
+
+
 Here is an example .twander file:
 .nf