answer some of roger's questions

ChangeLog

@@ -1,7 +1,7 @@
 Changes in version 0.2.6.3-alpha - 2015-02-2?
   Tor 0.2.6.3-alpha is the third (and hopefully final) alpha release in
-  the 0.2.6.x series. It introduces features for running Tor instances
-  that [VERB?] on more kinds of sockets, makes it harder to accidentally run an
+  the 0.2.6.x series. It introduces support for
+  more kinds of sockets, makes it harder to accidentally run an
   exit, improves our multithreading backend, incorporates several fixes
   for the AutomapHostsOnResolve option, and fixes numerous other
   bugs besides.
@@ -19,10 +19,9 @@ Changes in version 0.2.6.3-alpha - 2015-02-2?
       AF_INET6 sockets, meaning they can completely disable their ability
       to make non-Tor network connections. To create a socket of this
       type, use "SocksPort unix:/path/to/socket". Implements ticket 12585.
-    - Support mapping hidden service virtual ports to AF_UNIX sockets on
-      suitable platforms [suitable platforms? which ones are those?].
+    - Support mapping hidden service virtual ports to AF_UNIX sockets.
       The syntax is "HiddenServicePort 80
-      socket:/path/to/socket". Implements ticket 11485.
+      unix:/path/to/socket". Implements ticket 11485.
 
   o Major features (changed defaults):
     - Prevent relay operators from unintentionally running exits: When a
@@ -175,7 +174,7 @@ Changes in version 0.2.6.3-alpha - 2015-02-2?
       on 0.2.0.1-alpha.
 
   o Minor bugfixes (client DNS):
-    - Report the correct cached DNS expiration times [Report them where?]. Previously, we
+    - Report the correct cached DNS expiration times on SOCKS port or in DNS replies. Previously, we
       would report everything as "never expires." Fixes bug 14193;
       bugfix on 0.2.3.17-beta.
     - Avoid a small memory leak when we find a cached answer for a