diff --git a/docs/pyerrors/obs.html b/docs/pyerrors/obs.html
index 1b40d9e8..e3fbe7ab 100644
--- a/docs/pyerrors/obs.html
+++ b/docs/pyerrors/obs.html
@@ -1684,7 +1684,7 @@
1368 else:
1369 new_weight = Obs([w_deltas[name] + weight.r_values[name] for name in sorted(obs[i].names)], sorted(obs[i].names), idl=[obs[i].idl[name] for name in sorted(obs[i].names)])
1370
-1371 result.append(derived_observable(lambda x, **kwargs: x[0] / x[1], [tmp_obs, new_weight], **kwargs))
+1371 result.append(tmp_obs / new_weight)
1372 result[-1].reweighted = True
1373 result[-1].is_merged = obs[i].is_merged
1374
@@ -4942,7 +4942,7 @@ functions. For the ratio of two observables one can e.g. use
1369 else:
1370 new_weight = Obs([w_deltas[name] + weight.r_values[name] for name in sorted(obs[i].names)], sorted(obs[i].names), idl=[obs[i].idl[name] for name in sorted(obs[i].names)])
1371
-1372 result.append(derived_observable(lambda x, **kwargs: x[0] / x[1], [tmp_obs, new_weight], **kwargs))
+1372 result.append(tmp_obs / new_weight)
1373 result[-1].reweighted = True
1374 result[-1].is_merged = obs[i].is_merged
1375