Documentation fixes.

Auth.pm

@@ -76,6 +76,7 @@ sub new {
 # @param dbh      A reference to the system DBI object.
 # @param app      A reference to an AppUser object.
 # @param settings A reference to the global settings.
+# @param logger   A reference to a Logger object.
 # @return undef on success, otherwise an error message
 sub init {
     my $self = shift;

Logger.pm

@@ -89,7 +89,7 @@ sub new {
 # newlevel argument is not specified, or it is out of range, the object is set
 # to the maximum supported verbosity.
 #
-# @param newlvel The new verbosity level for this logger.
+# @param newlevel The new verbosity level for this logger.
 sub set_verbosity {
     my ($self, $newlevel) = self_or_default(@_);