(Membership Information): Typo fixed.

doc/Protocol-A.texi

@@ -2295,7 +2295,7 @@ The position of this membership in the membership list.
 @item last-time-read
 The time when the person last read anything from the conference.  This
 will contain the start of the epoch if the @field{unread-is-secret}
-bit of the @type{Personal-flags} is set and you don't have enough
+bit of the @type{Personal-Flags} is set and you don't have enough
 privileges to get the info anyhow.
 @item conference
 The conference this membership data pertains to.