diff --git a/createDocumentation.bat b/createDocumentation.bat
index e67cae5..14f9a6d 100644
--- a/createDocumentation.bat
+++ b/createDocumentation.bat
@@ -1 +1,4 @@
-MSBuild.exe .\documentation\Cpacs_doc_project.shfbproj
\ No newline at end of file
+REM for first time user, first unzip the file *development/3rdparty.zip*!
+REM potentially remove path to installed SandCastle from environment variable as the build might not success.
+
+MSBuild.exe .\documentation\Cpacs_doc_project.shfbproj
diff --git a/development/tools.md b/development/tools.md
index 699db3e..103fd6e 100644
--- a/development/tools.md
+++ b/development/tools.md
@@ -30,6 +30,5 @@ The python library can be created using the generateDS packacke provided by Dave
 The Java library is generated via JAXB or rather the xjc tool. If you are lucky and you live in a world where there is no outsourced IT-department you might have xjc in your standard java distribution. If not, please feel free to browse to https://jaxb.java.net/ for a download.
 
 ## Documentation
-The documentation for CPACS is generated using the MSBuild command from the .Net framework. For a plain build of the CPACS documentation run MS Build from the corresponding .Net version with the CPACS_doc_project.shfbproj file. For adaptions to the project please use the sandcastle help file builder. It can be found here: https://shfb.codeplex.com/
-Furthermore the XSD plugin needs to be installed: It can be found here: https://github.com/terrajobst/xsddoc/releases
+The documentation for CPACS is generated using the MSBuild command from the .Net framework. For a plain build of the CPACS documentation run MS Build from the corresponding .Net version with the CPACS_doc_project.shfbproj file. For adaptions to the project please use the sandcastle help file builder and the XSD plugin available in [development/3rdparty.zip](../development/3rdparty.zip).