--- a/macros.xml	Tue Jun 16 05:38:43 2020 -0400
+++ b/macros.xml	Thu Jan 14 15:42:52 2021 +0000
@@ -226,8 +226,12 @@
       <!-- -mxfile <f>  : read substitution score matrix from file <f> (with -singlemx)-->
     </conditional>
   </xml>
+  <token name="@ADDTHREADS@"><![CDATA[
+        ##compute the number of ADDITIONAL threads to be used (--cpu)
+        addthreads=\${GALAXY_SLOTS:-1} && (( addthreads-- )) &&
+    ]]></token>
   <token name="@CPU@">
-      --cpu \${GALAXY_SLOTS:-2}
+      --cpu \$addthreads
   </token>
   <token name="@SEED@">
       --seed $seed
@@ -562,10 +566,9 @@
 **Advanced Documentation**
 
 A more detailed look at the internals of the various filter pipelines was
-posted on the `developer's blog <https://cryptogenomicon.org/2011/09/19/hmmer3-is-stubborn/>`__.
+posted on the `developer's blog <http://cryptogenomicon.org/hmmer3-is-stubborn.html>`__.
 The information posted there may be useful to those who are struggling with
 poor-scoring sequences.
-
 ]]></token>
   <token name="@ADV_OPTS_HELP@"><![CDATA[
 Advanced Options