Fix link in LetterFromTheBoard.md

_2024-01/LetterFromTheBoard.md

@@ -5,7 +5,7 @@ the proceedings of the [International Modelica Conference 2023](https://2023.int
 Its a pleasure to announce that the date and location of the International Modelica Conference in 2025 is decided: It will take place **September 8-10, 2025 in Lucerne, Switzerland** and is organized by Prof. Ulf Christian Müller from Lucerne University and the Modelica Association.
 
 In 2024, the following Modelica Conferences will take place:
- - The American Modelica Conference 2024 will be held October 14-16 2024 in Storrs, Connecticut, organized by the North American Modelica Modelica Users Group NAMUG, The University of Connecticut and the Modelica Association. For more details see the [article below](AmericanModelicaConference.html).
+ - The American Modelica Conference 2024 will be held October 14-16 2024 in Storrs, Connecticut, organized by the North American Modelica Modelica Users Group NAMUG, The University of Connecticut and the Modelica Association. For more details see the [article below](https://newsletter.modelica.org/2024-01/index#american-modelica-conference-2024).
  - The Asian Modelica Conference 2024 will be held November 21-22 2024 in Seoul, South Korea, and is organized by the Institute of Vehicle Engineering, iVH and the Modelica Association. For details, please check the [conference website](https://modelica.org/events/asian2024/).
 
 A first Beta of the upcoming version 4.1.0 of the Modelica Standard Library has been [released](https://github.com/modelica/ModelicaStandardLibrary/releases/tag/v4.1.0-beta.1) containing about 400 fixed issues. For details, see the [release notes](https://github.com/modelica/ModelicaStandardLibrary/releases/download/v4.1.0-beta.1/ResolvedGitHubIssues.pdf). With this version also an improved process has been established by the MA Backoffice with nightly, automatic tests.