diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8b57fc062c57677d830ae1900f9e79f1d2ab0a0b..14d738b9e86f10ca5bc6a5430be158338ed5feb8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -23,6 +23,9 @@ that implement an empty cache (i.e. nothing is cached for the flux variables).
 - __Experimental features__: All headers with experimental features have been moved into the folder `dumux/experimental`.
   Correspondingly, all unit tests for those features have been moved to `test/experimental`.
 
+- __Stokes/Darcy__: In the coupling manager, the diffusion coefficient coupling type had a mode `Arithmetic` misspelled
+  with an additional letter. The spelling has been corrected. The incorrect spelling will lead now lead to an error.
+
 ### Deprecated properties/classes/functions/files, to be removed after 3.6:
 
 ### New experimental features (possibly subject to backwards-incompatible changes in the future)