diff --git a/usrguide/java_referenceguide/2-test_ports.adoc b/usrguide/java_referenceguide/10-test_ports.adoc
similarity index 100%
rename from usrguide/java_referenceguide/2-test_ports.adoc
rename to usrguide/java_referenceguide/10-test_ports.adoc
diff --git a/usrguide/java_referenceguide/3-logger_plug-ins.adoc b/usrguide/java_referenceguide/11-logger_plug-ins.adoc
similarity index 100%
rename from usrguide/java_referenceguide/3-logger_plug-ins.adoc
rename to usrguide/java_referenceguide/11-logger_plug-ins.adoc
diff --git a/usrguide/java_referenceguide/4-encoding_and_decoding.adoc b/usrguide/java_referenceguide/12-encoding_and_decoding.adoc
similarity index 100%
rename from usrguide/java_referenceguide/4-encoding_and_decoding.adoc
rename to usrguide/java_referenceguide/12-encoding_and_decoding.adoc
diff --git a/usrguide/java_referenceguide/5-mapping_ttcn3_data_types_to_java_constructs.adoc b/usrguide/java_referenceguide/13-mapping_ttcn3_data_types_to_java_constructs.adoc
similarity index 100%
rename from usrguide/java_referenceguide/5-mapping_ttcn3_data_types_to_java_constructs.adoc
rename to usrguide/java_referenceguide/13-mapping_ttcn3_data_types_to_java_constructs.adoc
diff --git a/usrguide/java_referenceguide/6-tips_&_troubleshooting.adoc b/usrguide/java_referenceguide/14-tips_&_troubleshooting.adoc
similarity index 100%
rename from usrguide/java_referenceguide/6-tips_&_troubleshooting.adoc
rename to usrguide/java_referenceguide/14-tips_&_troubleshooting.adoc
diff --git a/usrguide/java_referenceguide/13-references.adoc b/usrguide/java_referenceguide/15-references.adoc
similarity index 100%
rename from usrguide/java_referenceguide/13-references.adoc
rename to usrguide/java_referenceguide/15-references.adoc
diff --git a/usrguide/java_referenceguide/14-abbreviations.adoc b/usrguide/java_referenceguide/16-abbreviations.adoc
similarity index 100%
rename from usrguide/java_referenceguide/14-abbreviations.adoc
rename to usrguide/java_referenceguide/16-abbreviations.adoc
diff --git a/usrguide/java_referenceguide/4-ttcn3_language_extensions.adoc b/usrguide/java_referenceguide/3-ttcn3_language_extensions.adoc
similarity index 100%
rename from usrguide/java_referenceguide/4-ttcn3_language_extensions.adoc
rename to usrguide/java_referenceguide/3-ttcn3_language_extensions.adoc
diff --git a/usrguide/java_referenceguide/5-supported_asn1_constructs_and_limitations.adoc b/usrguide/java_referenceguide/4-supported_asn1_constructs_and_limitations.adoc
similarity index 100%
rename from usrguide/java_referenceguide/5-supported_asn1_constructs_and_limitations.adoc
rename to usrguide/java_referenceguide/4-supported_asn1_constructs_and_limitations.adoc
diff --git a/usrguide/java_referenceguide/6-compiling_ttcn3_and_asn1_modules.adoc b/usrguide/java_referenceguide/5-compiling_ttcn3_and_asn1_modules.adoc
similarity index 100%
rename from usrguide/java_referenceguide/6-compiling_ttcn3_and_asn1_modules.adoc
rename to usrguide/java_referenceguide/5-compiling_ttcn3_and_asn1_modules.adoc
diff --git a/usrguide/java_referenceguide/7-the_run-time_configuration_file.adoc b/usrguide/java_referenceguide/6-the_run-time_configuration_file.adoc
similarity index 100%
rename from usrguide/java_referenceguide/7-the_run-time_configuration_file.adoc
rename to usrguide/java_referenceguide/6-the_run-time_configuration_file.adoc
diff --git a/usrguide/java_referenceguide/10-code_coverage_of_ttcn-3_modules.adoc b/usrguide/java_referenceguide/7-code_coverage_of_ttcn-3_modules.adoc
similarity index 100%
rename from usrguide/java_referenceguide/10-code_coverage_of_ttcn-3_modules.adoc
rename to usrguide/java_referenceguide/7-code_coverage_of_ttcn-3_modules.adoc
diff --git a/usrguide/java_referenceguide/11-the_ttcn-3_debugger.adoc b/usrguide/java_referenceguide/8-the_ttcn-3_debugger.adoc
similarity index 100%
rename from usrguide/java_referenceguide/11-the_ttcn-3_debugger.adoc
rename to usrguide/java_referenceguide/8-the_ttcn-3_debugger.adoc
diff --git a/usrguide/java_referenceguide/12-tips_&_troubleshooting.adoc b/usrguide/java_referenceguide/9-tips_&_troubleshooting.adoc
similarity index 100%
rename from usrguide/java_referenceguide/12-tips_&_troubleshooting.adoc
rename to usrguide/java_referenceguide/9-tips_&_troubleshooting.adoc
diff --git a/usrguide/java_referenceguide/JavaReferenceGuide.adoc b/usrguide/java_referenceguide/JavaReferenceGuide.adoc
index fde5e648eb5c59f3b737aa36722c3983c6eadedf..c4ccb1e69ac0d669bff76a1c175658f088d98e0a 100644
--- a/usrguide/java_referenceguide/JavaReferenceGuide.adoc
+++ b/usrguide/java_referenceguide/JavaReferenceGuide.adoc
@@ -52,38 +52,38 @@ Mapping TTCN-3 Data Type to Java constructs
 ifdef::env-github,backend-html5[]
 * link:1-about_the_document.adoc[About the document]
 * link:2-ttcn-3_limitations_in_this_version.adoc[TTCN-3 Limitations in this Version]
-* link:4-ttcn3_language_extensions.adoc[TTCN–3 Language Extensions]
-* link:5-supported_asn1_constructs_and_limitations.adoc[Supported ASN.1 Constructs and Limitations]
-* link:6-compiling_ttcn3_and_asn1_modules.adoc[Compiling TTCN–3 and ASN.1 Modules]
-* link:7-the_run-time_configuration_file.adoc[The Run-time Configuration File]
-* link:10-code_coverage_of_ttcn-3_modules.adoc[Code Coverage of TTCN-3 Modules]
-* link:11-the_ttcn-3_debugger.adoc[The TTCN-3 Debugger]
-* link:12-tips_&_troubleshooting.adoc[Tips & Troubleshootings]
-* link:2-test_ports.adoc[Test Ports]
-* link:3-logger_plug-ins.adoc[Logger Plug-ins]
-* link:4-encoding_and_decoding.adoc[Encoding and Decoding]
-* link:5-mapping_ttcn3_data_types_to_java_constructs.adoc[Mapping TTCN–3 Data Types to {cpp} Constructs]
-* link:6-tips_&_troubleshooting.adoc[Tips & Troubleshooting]
-* link:13-references.adoc[References]
-* link:14-abbreviations.adoc[Abbreviations]
+* link:3-ttcn3_language_extensions.adoc[TTCN–3 Language Extensions]
+* link:4-supported_asn1_constructs_and_limitations.adoc[Supported ASN.1 Constructs and Limitations]
+* link:5-compiling_ttcn3_and_asn1_modules.adoc[Compiling TTCN–3 and ASN.1 Modules]
+* link:6-the_run-time_configuration_file.adoc[The Run-time Configuration File]
+* link:7-code_coverage_of_ttcn-3_modules.adoc[Code Coverage of TTCN-3 Modules]
+* link:8-the_ttcn-3_debugger.adoc[The TTCN-3 Debugger]
+* link:9-tips_&_troubleshooting.adoc[Tips & Troubleshootings]
+* link:10-test_ports.adoc[Test Ports]
+* link:11-logger_plug-ins.adoc[Logger Plug-ins]
+* link:12-encoding_and_decoding.adoc[Encoding and Decoding]
+* link:13-mapping_ttcn3_data_types_to_java_constructs.adoc[Mapping TTCN–3 Data Types to {cpp} Constructs]
+* link:14-tips_&_troubleshooting.adoc[Tips & Troubleshooting]
+* link:15-references.adoc[References]
+* link:16-abbreviations.adoc[Abbreviations]
 endif::[]
 
 
 ifndef::env-github,backend-html5[]
 include::1-about_the_document.adoc[leveloffset=+1]
 include::2-ttcn-3_limitations_in_this_version.adoc[leveloffset=+1]
-include::4-ttcn3_language_extensions.adoc[leveloffset=+1]
-include::5-supported_asn1_constructs_and_limitations.adoc[leveloffset=+1]
-include::6-compiling_ttcn3_and_asn1_modules.adoc[leveloffset=+1]
-include::7-the_run-time_configuration_file.adoc[leveloffset=+1]
-include::10-code_coverage_of_ttcn-3_modules.adoc[leveloffset=+1]
-include::11-the_ttcn-3_debugger.adoc[leveloffset=+1]
-include::12-tips_&_troubleshooting.adoc[leveloffset=+1]
-include::2-test_ports.adoc[leveloffset=+1]
-include::3-logger_plug-ins.adoc[leveloffset=+1]
-include::4-encoding_and_decoding.adoc[leveloffset=+1]
-include::5-mapping_ttcn3_data_types_to_java_constructs.adoc[leveloffset=+1]
-include::6-tips_&_troubleshooting.adoc[leveloffset=+1]
-include::13-references.adoc[leveloffset=+1]
-include::14-abbreviations.adoc[leveloffset=+1]
+include::3-ttcn3_language_extensions.adoc[leveloffset=+1]
+include::4-supported_asn1_constructs_and_limitations.adoc[leveloffset=+1]
+include::5-compiling_ttcn3_and_asn1_modules.adoc[leveloffset=+1]
+include::6-the_run-time_configuration_file.adoc[leveloffset=+1]
+include::7-code_coverage_of_ttcn-3_modules.adoc[leveloffset=+1]
+include::8-the_ttcn-3_debugger.adoc[leveloffset=+1]
+include::9-tips_&_troubleshooting.adoc[leveloffset=+1]
+include::10-test_ports.adoc[leveloffset=+1]
+include::11-logger_plug-ins.adoc[leveloffset=+1]
+include::12-encoding_and_decoding.adoc[leveloffset=+1]
+include::13-mapping_ttcn3_data_types_to_java_constructs.adoc[leveloffset=+1]
+include::14-tips_&_troubleshooting.adoc[leveloffset=+1]
+include::15-references.adoc[leveloffset=+1]
+include::16-abbreviations.adoc[leveloffset=+1]
 endif::[]