-For consistency and aesthetics, you should capitalize the first letter
-of the Synopsis. Don't put a full stop (period) at the end. The
-description itself should consist of full sentences.
+The following practices supplement the <url name="Policy on the descriptions
+of packages" id="&url-debian-policy;ch-miscellaneous.html#s-descriptions">.
+ <p>
+The synopsis line (the short description) should primarily be concise.
+You may capitalize the first letter for aesthetics. It is customary to
+make the synopsis an appositive clause (not a full sentence) in which
+case there's no need to put a full stop (period) at the end.
+ <p>
+The long description should, however, always consist of full sentences.