diff --git a/spec/getdns-0.502.tgz b/spec/getdns-0.502.tgz
deleted file mode 100644
index e8760ed7..00000000
Binary files a/spec/getdns-0.502.tgz and /dev/null differ
diff --git a/spec/getdns-0.503.tgz b/spec/getdns-0.503.tgz
new file mode 100644
index 00000000..c64119e3
Binary files /dev/null and b/spec/getdns-0.503.tgz differ
diff --git a/spec/index.html b/spec/index.html
index 104f892d..a571c170 100644
--- a/spec/index.html
+++ b/spec/index.html
@@ -1363,6 +1363,12 @@ bindata).</p>
 <p class=define>CDS (59)</p>
 <p class=descrip><code>cds_unknown</code> (a bindata)</p>
 
+<p class=define>CDNSKEY (60)</p>
+<p class=descrip><code>cdnskey_unknown</code> (a bindata)</p>
+
+<p class=define>OPENPGPKEY (61)</p>
+<p class=descrip><code>openpgpkey_unknown</code> (a bindata)</p>
+
 <p class=define>SPF (99)</p>
 <p class=descrip><code>text</code> (a bindata)</p>
 
@@ -1455,7 +1461,7 @@ function.</p>
 
 <span class="cm">/* Set up the callback function, which will also do the processing of the results */</span>
 <span class="kt">void</span> <span class="nf">this_callbackfn</span><span class="p">(</span><span class="n">getdns_context</span> <span class="o">*</span><span class="n">this_context</span><span class="p">,</span>
-                     <span class="n">getdns_callback_type_t</span> <span class="n">this_callback_type</span><span class="p">,</span>
+                     <span class="kt">getdns_callback_type_t</span> <span class="n">this_callback_type</span><span class="p">,</span>
                      <span class="n">getdns_dict</span> <span class="o">*</span><span class="n">this_response</span><span class="p">,</span> 
                      <span class="kt">void</span> <span class="o">*</span><span class="n">this_userarg</span><span class="p">,</span>
                      <span class="kt">getdns_transaction_t</span> <span class="n">this_transaction_id</span><span class="p">)</span>
@@ -1573,7 +1579,7 @@ their TTLs.</p>
 
 <span class="cm">/* Set up the callback function, which will also do the processing of the results */</span>
 <span class="kt">void</span> <span class="nf">this_callbackfn</span><span class="p">(</span><span class="n">getdns_context</span> <span class="o">*</span><span class="n">this_context</span><span class="p">,</span>
-                     <span class="n">getdns_callback_type_t</span> <span class="n">this_callback_type</span><span class="p">,</span>
+                     <span class="kt">getdns_callback_type_t</span> <span class="n">this_callback_type</span><span class="p">,</span>
                      <span class="n">getdns_dict</span> <span class="o">*</span><span class="n">this_response</span><span class="p">,</span> 
                      <span class="kt">void</span> <span class="o">*</span><span class="n">this_userarg</span><span class="p">,</span>
                      <span class="kt">getdns_transaction_t</span> <span class="n">this_transaction_id</span><span class="p">)</span>
@@ -1854,7 +1860,7 @@ as it is for the synchronous example, it is just done in <code>main()</code>.</p
 
 <span class="cm">/* Set up the callback function, which will also do the processing of the results */</span>
 <span class="kt">void</span> <span class="nf">this_callbackfn</span><span class="p">(</span><span class="n">getdns_context</span> <span class="o">*</span><span class="n">this_context</span><span class="p">,</span>
-                     <span class="n">getdns_callback_type_t</span> <span class="n">this_callback_type</span><span class="p">,</span>
+                     <span class="kt">getdns_callback_type_t</span> <span class="n">this_callback_type</span><span class="p">,</span>
                      <span class="n">getdns_dict</span> <span class="o">*</span><span class="n">this_response</span><span class="p">,</span> 
                      <span class="kt">void</span> <span class="o">*</span><span class="n">this_userarg</span><span class="p">,</span>
                      <span class="kt">getdns_transaction_t</span> <span class="n">this_transaction_id</span><span class="p">)</span>
@@ -2440,7 +2446,7 @@ getdns_pretty_print_dict() for debugging.</li>
 
 <h1>9. The Generated Files</h1>
 
-<p>There is <a href="getdns-0.502.tgz">a tarball</a> that includes the .h files,
+<p>There is <a href="getdns-0.503.tgz">a tarball</a> that includes the .h files,
 the examples, and so on. The examples all make, even though there is no API implementation, based
 on a pseudo-implementation in the tarball; see make-examples-PLATFORM.sh. Note that this currently builds fine
 on the Macintosh and Ubuntu; help is definitely appreciated on making the build process
diff --git a/src/getdns/getdns.h.in b/src/getdns/getdns.h.in
index dd1fd5ff..af5a8a89 100644
--- a/src/getdns/getdns.h.in
+++ b/src/getdns/getdns.h.in
@@ -258,7 +258,7 @@ typedef enum getdns_callback_type_t {
  */
 #define GETDNS_CALLBACK_COMPLETE_TEXT "The response has the requested data in it"
 #define GETDNS_CALLBACK_CANCEL_TEXT "The calling program cancelled the callback; response is NULL"
-#define GETDNS_CALLBACK_TIMEOUT_TEXT "The requested action timed out; response is NULL"
+#define GETDNS_CALLBACK_TIMEOUT_TEXT "The requested action timed out; response is filled in with empty structures"
 #define GETDNS_CALLBACK_ERROR_TEXT "The requested action had an error; response is NULL"
 /** @}
  */