tweaks

docs/users_guide/ghci.xml

@@ -828,7 +828,7 @@ it &lt;- <replaceable>e</replaceable>
   []
 </programlisting>
     However, it is tiresome for the user to have to specify the type, so GHCi extends Haskell's type-defaulting
-    rules (Section 4.3.4 of the Haskell 98 Report (Revised)) as follows.  The
+    rules (Section 4.3.4 of the Haskell 2010 Report) as follows.  The
     standard rules take each group of constraints <literal>(C1 a, C2 a, ..., Cn
     a)</literal> for each type variable <literal>a</literal>, and defaults the
     type variable if 

docs/users_guide/using.xml

@@ -1398,6 +1398,7 @@ f "2"    = 2
           e.g., the ‘default default’ for Haskell 1.4 caused the
           otherwise unconstrained value <constant>1</constant> to be
           given the type <literal>Int</literal>, whereas Haskell 98
+          and later
           defaults it to <literal>Integer</literal>.  This may lead to
           differences in performance and behaviour, hence the
           usefulness of being non-silent about this.</para>