diff --git a/Modelica/Blocks/Continuous.mo b/Modelica/Blocks/Continuous.mo
index ff231dbbd2..a4ea50563f 100644
--- a/Modelica/Blocks/Continuous.mo
+++ b/Modelica/Blocks/Continuous.mo
@@ -1969,8 +1969,7 @@ The filters are implemented in the following, reliable way:
 
 <p>
 The development of this block was partially funded by BMBF within the
-     <a href=\"http://www.eurosyslib.com/\">ITEA2 EUROSYSLIB</a>
-      project.
+ITEA <a href=\"https://itea4.org/project/eurosyslib.html\">EUROSYSLIB</a> research project.
 </p>
 
 </html>"));
diff --git a/Modelica/Electrical/Spice3.mo b/Modelica/Electrical/Spice3.mo
index d9bfc6e973..7b60c3a6ec 100644
--- a/Modelica/Electrical/Spice3.mo
+++ b/Modelica/Electrical/Spice3.mo
@@ -245,7 +245,10 @@ Zeunerstra&szlig;e 38<br />
 <h4>Acknowledgements</h4>
 
 <ul>
-<li>The development of this library was done within the European ITEA2 projects EUROSYSLIB and MODELISAR.</li>
+<li>The development of this library was done within the ITEA research projects
+<a href=\"https://itea4.org/project/eurosyslib.html\">EUROSYSLIB</a> and
+<a href=\"https://itea4.org/project/modelisar.html\">MODELISAR</a>.
+</li>
 <li>For his contribution we thank Mr. Jonathan Gerbet.</li>
 </ul>
 </html>"));
diff --git a/Modelica/Fluid/Dissipation.mo b/Modelica/Fluid/Dissipation.mo
index 2c5c6157e4..1fabde0e29 100644
--- a/Modelica/Fluid/Dissipation.mo
+++ b/Modelica/Fluid/Dissipation.mo
@@ -13133,8 +13133,9 @@ Wischhusen.
 </p>
 
 <p>
-The development of the Fluid.Dissipation library was founded within the ITEA research
-project EuroSysLib-D by German Federal Ministry of Education and Research (promotional
+The development of this library was founded within the
+ITEA <a href=\"https://itea4.org/project/eurosyslib.html\">EUROSYSLIB</a> research project
+by German Federal Ministry of Education and Research (promotional
 reference 01IS07022B). The project was started in October 2007 and ended in June 2010.
 </p>
 
diff --git a/Modelica/Fluid/package.mo b/Modelica/Fluid/package.mo
index 1a1cd20b85..11f9358cbf 100644
--- a/Modelica/Fluid/package.mo
+++ b/Modelica/Fluid/package.mo
@@ -1682,9 +1682,9 @@ and many have contributed.
 </ul>
 
 <p>
-  Partial financial support of ABB and DLR by BMBF (BMBF F&ouml;rderkennzeichen: 01IS07022F) for the further development
-     of this library within the <a href=\"http://www.itea2.org\">ITEA</a> project EUROSYSLIB
-     is highly appreciated.</p>
+Partial financial support of ABB and DLR by BMBF (BMBF F&ouml;rderkennzeichen: 01IS07022F) for the further development
+of this library within the ITEA <a href=\"https://itea4.org/project/eurosyslib.html\">EUROSYSLIB</a> research project
+is highly appreciated.</p>
 
 </html>"));
 end Contact;
diff --git a/Modelica/package.mo b/Modelica/package.mo
index 5d7d941ef7..d967c3cb40 100644
--- a/Modelica/package.mo
+++ b/Modelica/package.mo
@@ -3925,11 +3925,10 @@ the following new language elements (compared to Modelica Specification 3.1):
 </ul>
 
 <p>
-A large part of the new classes have been developed with
+A large part of the new classes has been developed with
 partial financial support by
 BMBF (BMBF F&ouml;rderkennzeichen: 01IS07022F)
-within the <a href=\"http://www.itea2.org\">ITEA2</a> project
-EUROSYSLIB.
+within the ITEA <a href=\"https://itea4.org/project/eurosyslib.html\">EUROSYSLIB</a> research project.
 We highly appreciate this funding.
 </p>