Update index.rst

Author: tpfau

content/index.rst

@@ -2,10 +2,10 @@
 Python for Scientific Computing
 ===============================
 
-.. admonition:: Attending the course 5-7 November, 2024?
+.. admonition:: Attending the course 25-27 November, 2025?
 
    `See the course page here
-   <https://scicomp.aalto.fi/training/scip/python-for-scicomp-2024/>`__
+   <https://scicomp.aalto.fi/training/scip/python-for-scicomp-2025/>`__
    and watch at https://twitch.tv/coderefinery.
    Whether you are or aren't, the course material is below.  Videos
    will appear in `this playlist <https://www.youtube.com/playlist?list=PLZLVmS9rf3nMWEKWtagJ6h0q9BrFO49tn>`__ (Last year's videos: `playlist <https://www.youtube.com/playlist?list=PLZLVmS9rf3nNI3oQEqSJW6yXltOAZnkpa>`__).