diff --git a/usrguide/installationguide/installationguide.adoc b/usrguide/installationguide/installationguide.adoc
index 07bca53fa90a1e89bec4a1dd4c94e5820d073a3d..b07eaa103900818fa09af76fc22177d1014eab9b 100644
--- a/usrguide/installationguide/installationguide.adoc
+++ b/usrguide/installationguide/installationguide.adoc
@@ -351,5 +351,6 @@ If a host-limited key is needed, perform it in the same way but do it as system
 = References
 [[_1]]
 * [1] link:https://github.com/eclipse/titan.core/blob/master/usrguide/userguide/UserGuide.adoc[User Guide for TITAN TTCN-3 Test Executor]
+
 [[_2]]
 * [2] link:https://github.com/eclipse/titan.core/blob/master/usrguide/referenceguide/ReferenceGuide.adoc[Programmers Technical Reference for TITAN TTCN-3 Test Executor]
diff --git a/usrguide/userguide/6-references.adoc b/usrguide/userguide/6-references.adoc
index 75700d7195b799f501af78f44cb3d6b44c5e1c93..19808014468019f06207836c3e221c705c35a370 100644
--- a/usrguide/userguide/6-references.adoc
+++ b/usrguide/userguide/6-references.adoc
@@ -1,7 +1,16 @@
 = References
 
-1.  link:https://github.com/eclipse/titan.core/blob/master/usrguide/installationguide/[Installation guide for TITAN TTCN-3 Test Executor]
-2.  link:https://github.com/eclipse/titan.core/blob/master/usrguide/referenceguide/[Programmers Technical Reference for TITAN TTCN-3 Test Executor]
-3.  link:https://github.com/eclipse/titan.core/blob/master/usrguide/releasenotes/[Release Notes for TITAN TTCN-3 Test Executor]
-4.  TTCN–3 Style Guide 1/0113-FCPCA 101 35
-5.  TTCN–3 Naming Convention ETH/R-04:000010
+[[_1]]
+* [1]  link:https://github.com/eclipse/titan.core/blob/master/usrguide/installationguide/[Installation guide for TITAN TTCN-3 Test Executor]
+
+[[_2]]
+* [2]  link:https://github.com/eclipse/titan.core/blob/master/usrguide/referenceguide/[Programmers Technical Reference for TITAN TTCN-3 Test Executor]
+
+[[_3]]
+* [3]  link:https://github.com/eclipse/titan.core/blob/master/usrguide/releasenotes/[Release Notes for TITAN TTCN-3 Test Executor]
+
+[[_4]]
+* [4]  TTCN–3 Style Guide 1/0113-FCPCA 101 35
+
+[[_5]]
+* [5]  TTCN–3 Naming Convention ETH/R-04:000010