fix typo and possible confusion in changelog entry

ChangeLog

@@ -11,10 +11,10 @@ Changes in version 0.2.9.2-alpha - 2016-08-24
   o Major bugfixes (client, security, also in 0.2.8.7):
     - Only use the ReachableAddresses option to restrict the first hop
-      in a path. Previously, it would apply to every hop in the path,
-      with a possible degredation in anonymity for anyone using an
-      uncommon ReachableAddress setting. Fixes bug 19973; bugfix
-      on 0.2.8.2-alpha.
+      in a path. In earlier versions of 0.2.8.x, it would apply to
+      every hop in the path, with a possible degradation in anonymity
+      for anyone using an uncommon ReachableAddress setting. Fixes bug
+      19973; bugfix on 0.2.8.2-alpha.
   o Major features (user interface):
     - Tor now supports the ability to declare options deprecated, so