-.B \-V
-Print the version information.
-.TP
-.B \-r
-Print the the
-.B udev_root
-directory. When used in conjunction with a query for the node name, the
-.B udev_root
-will be prepended.
-.TP
-.BI \-q " query_type"
-Query the database for specified value of a created device node.
-.RB Needs " \-p " or " \-n " specified.
-.br
-Valid types are:
-.BR name ", " symlink ", " mode " ," owner " , " group " or " path.
-.TP
-.BI \-p " sysfs_path"
-Specify the sysfs path of the device to query.
-.TP
-.BI \-n " name"
-Specify the name of the node for the device to query.
-.TP
-.B \-a
-Print all
-.BI SYSFS{ filename }
-attributes along the device chain. Useful for for finding
-unique attributes to compose a rule.
-.RB Needs " \-p " specified.
-.TP
-.B \-d
-Dump the whole database.
-.TP
-.B \-h
+\fB\-q\fR
+Query the database for specified type of device data. It needs the
+\fB\-p\fR
+or
+\fB\-n\fR
+to identify the specified device. Valid queries are:
+\fBname\fR,
+\fBsymlink\fR,
+\fBpath\fR,
+\fBenv\fR,
+\fBall\fR.
+.TP
+\fB\-a\fR
+Print all sysfs properties of the specified device that can be used in udev rules to match the specified device. It prints all devices along the chain, up to the root of sysfs that can be used in udev rules.
+.TP
+\fB\-p \fR\fB\fIdevice\-path\fR\fR
+The sysfs path of the device to query.
+.TP
+\fB\-n \fR\fB\fInode\-name\fR\fR
+The name of the device node or a symlink to query
+.TP
+\fB\-r\fR
+The udev root directory:
+\fI/dev\fR. If used in conjunction with a
+\fBname\fR
+or
+\fBsymlink\fR
+query, the query returns the absolute path.
+.TP
+\fB\-e\fR
+Export the content of the udev database.
+.TP
+\fB\-h\fR