Changed man page to reflect new mandatory args

pw.1

@@ -13,10 +13,10 @@
 .Nm
 .Fl \-version
 .Nm
-.Op Fl d
-.Op Fl l
-.Op Fl u
-.Op Fl s
+.Op Fl d Ar minimum-amount
+.Op Fl l Ar minimum-amount
+.Op Fl u Ar minimum-amount
+.Op Fl s Ar minimum-amount
 .Op Fl S Ar set-of-symbols
 .Op Fl c Ar length
 .Sh DESCRIPTION
@@ -25,7 +25,8 @@ The
 command generates a random password and prints it on the standard output.
 If no flags for specifying which characters are allowed are given,
 .Nm
-acts as if all had been specified.
+acts as if all had been specified, with minimum amounts of occurrences for all
+types being zero.
 .Pp
 The options are as follows:
 .Bl -tag -width Ds
@@ -35,18 +36,27 @@ Print help text and exit.
 Print version info and exit.
 .It Fl d, \-digit
 Allow digits.
+An integer argument is expected, which should be zero or more, and indicates the
+minimum amount of digits to be included.
 .It Fl l, \-lower
 Allow lower case letters.
+An integer argument is expected, which should be zero or more, and indicates the
+minimum amount of lower case letters to be included.
 .It Fl u, \-upper
 Allow upper case letters.
+An integer argument is expected, which should be zero or more, and indicates the
+minimum amount of upper case letters to be included.
 .It Fl s, \-symbol
 Allow symbols and punctuation from the following list: _-=+<>,.!@#$%^&*.
+An integer argument is expected, which should be zero or more, and indicates the
+minimum amount of symbols to be included.
 .It Fl S, \-special Ar set-of-symbols
 Allow symbols from specified argument.
 For example, specifying
 .Fl S
 .Sq :-+@
 allows symbols :, -, + or @.
+The minimum amount will always be one when this option is given.
 .It Fl c, \-count Ar length
 Specify the password length.
 Default is 24 characters.