diff --git a/faq.htm b/faq.htm
index 8fbea949..fb3795b6 100644
--- a/faq.htm
+++ b/faq.htm
@@ -190,10 +190,12 @@ others support them but with reduced efficiency. Throw
 specifications may be added at a later date as compilers begin to
 handle this better. The library should throw only three types of
 exception: boost::bad_expression can be thrown by reg_expression
-when compiling a regular expression; boost::bad_pattern can be
-thrown by the class sub_match's conversion operators; finally std::bad_alloc
-can be thrown by just about any of the functions in this library.
-</p>
+when compiling a regular expression, std::runtime_error can be
+thrown when a call to reg_expression::imbue tries to open a
+message catalogue that doesn't exist or when a call to RegEx::GrepFiles
+or RegEx::FindFiles tries to open a file that cannot be opened,
+finally std::bad_alloc can be thrown by just about any of the
+functions in this library. </p>
 
 <hr>
 
diff --git a/template_class_ref.htm b/template_class_ref.htm
index 10c28d52..ccd0d3c9 100644
--- a/template_class_ref.htm
+++ b/template_class_ref.htm
@@ -400,7 +400,7 @@ very closely on class basic_string, and fulfils the requirements
 for a container of <i>charT</i>. </p>
 
 <pre><b>namespace</b> boost{
-<b>template</b> &lt;<b>class</b> charT, <b>class</b> traits = char_regex_traits&lt;charT&gt;, <b>class</b> Allocator = std::allocator&lt;charT&gt;&nbsp; &gt;
+<b>template</b> &lt;<b>class</b> charT, <b>class</b> traits = regex_traits&lt;charT&gt;, <b>class</b> Allocator = std::allocator&lt;charT&gt;&nbsp; &gt;
 <b>class</b> reg_expression : <b>public</b> regbase
 {
 <b>public</b>: 
@@ -679,7 +679,9 @@ for a container of <i>charT</i>. </p>
         locale_type&amp; l);</td>
         <td valign="top" width="45%">Imbues the expression with
         the specified locale, and invalidates the current
-        expression.</td>
+        expression. May throw std::runtime_error if the call
+        results in an attempt to open a non-existent message
+        catalogue.</td>
         <td width="5%">&nbsp;</td>
     </tr>
     <tr>