diff --git a/catalog.xml b/catalog.xml
index 9641d2f..4510339 100644
--- a/catalog.xml
+++ b/catalog.xml
@@ -16,7 +16,9 @@
 
     <!-- Map any reference to a Relax NG schema which ends in a certain suffix to a Relax NG schema located relative to this XML catalog -->
     
-    <uriSuffix uriSuffix="NKJP_text.rng" uri="test/resources/nkjp2korap_sample1/NKJP_text.rng"/>
+    <uriSuffix uriSuffix="NKJP_text.rng" uri="test/resources/nkjp2korap_sample3/NKJP_text.rng"/>
+<!--  note: this is an example really, there is no explicit reference there, any longer  -->
+    
     <uriSuffix uriSuffix="header.rng" uri="KorAP_schemas/header.rng"/>
     <uriSuffix uriSuffix="span.rng" uri="KorAP_schemas/span.rng"/>
     <uriSuffix uriSuffix="text.rng" uri="KorAP_schemas/text.rng"/>
@@ -38,9 +40,11 @@
     <uri name="NKJP_1M_header.xml" uri="test/resources/nkjp2korap_sample2/NKJP_1M_header.xml"/>
 these two won't work for xi:include
     -->
-<!--    <system systemId="file:/home/piotr/projects/NKJP2KorAP/test/resources/nkjp2korap_sample2/KOT/NKJP_1M_header.xml" uri="test/resources/nkjp2korap_sample2/NKJP_1M_header.xml"/>
-this one does work for inclusions, but it's too brutal
+<!--    
+    <system systemId="file:/home/piotr/projects/NKJP2KorAP/test/resources/nkjp2korap_sample2/KOT/NKJP_1M_header.xml" uri="test/resources/nkjp2korap_sample2/NKJP_1M_header.xml"/>
+    this one does work for inclusions, but it's too brutal, because it needs an absolute path, so it's not transferrable; 
+    see below for a better alternative
     -->
-    <systemSuffix systemIdSuffix="NKJP_1M_header.xml" uri="test/resources/nkjp2korap_sample2/NKJP_1M_header.xml"/>
+    <systemSuffix systemIdSuffix="NKJP_1M_header.xml" uri="test/resources/nkjp2korap_sample3/corpus_header.xml"/>
     <!--  for inclusions of the main corpus header  -->
 </catalog>
\ No newline at end of file