dpkg-source.1: Some random housekeeping.

Fix some syntax inconsistencies. Also if a broken
sentence.

Partly suggested by Helge Kreutzmann.

man/dpkg-source.1

@@ -124,12 +124,11 @@ files. Supported values are:
 .BR \-i [\fIregexp\fP]
 You may specify a perl regular expression to match files you want
 filtered out of the list of files for the diff. (This list is
-generated by a find command.) \fB\-i\fR by itself enables the option,
+generated by a find command.) \fB\-i\fP by itself enables the option,
 with a default that will filter out control files and directories of the
 most common revision control systems, backup and swap files and Libtool
 build output directories. There can only be one active regexp, of multiple
-\-i options only the last one will take effect.
-
+\fB\-i\fP options only the last one will take effect.
 
 This is very helpful in cutting out extraneous files that get included
 in the diff, e.g. if you maintain your source in a revision control
@@ -150,7 +149,7 @@ example, \-ICVS will make tar skip over CVS directories when generating
 a .tar.gz file. The option may be repeated multiple times to list multiple
 patterns to exclude.
 
-\fB\-I\fR by itself adds default \-\-exclude options that will
+\fB\-I\fP by itself adds default \-\-exclude options that will
 filter out control files and directories of the most common revision
 control systems, backup and swap files and Libtool build output
 directories.
@@ -204,7 +203,7 @@ but will remove that directory after it has been used.
 .TP
 .B \-ss
 Specifies that the original source is available both as a directory
-and as a tarfile. If will use the directory to create the diff, but
+and as a tarfile. dpkg-source will use the directory to create the diff, but
 the tarfile to create the
 .BR .dsc .
 This option must be used with care - if the directory and tarfile do