diff --git a/python3-espressomd.spec b/python3-espressomd.spec
index d6a5241..566eb97 100644
--- a/python3-espressomd.spec
+++ b/python3-espressomd.spec
@@ -52,6 +52,7 @@ Patch2:         hdf5.patch
 Patch3:         rpath.patch
 # PATCH-FIX-UPSTREAM fix-integral-size-32bit.patch gh#espressomd/espresso#4537 mcepl@suse.com
 # fix building on 32bit arch
+# THIS IS QUESTIONABLE, because upstream officially doesn't support 32bit archs any more
 Patch4:         fix-integral-size-32bit.patch
 BuildRequires:  cmake
 BuildRequires:  fftw3-devel