Fix Nerve theorem link in documentation
@@ -97,7 +97,7 @@ intersections of sets. The key is that the background topological theory
actually provides guarantees about how well this simple process can
produce something that represents the topological space itself in a
meaningful way (the `Nerve
-theorem <https://en.wikipedia.org/wiki/Nerve_theorem>`__ is the relevant
+theorem <https://en.wikipedia.org/wiki/Nerve_of_a_covering>`__ is the relevant
result for those interested). Obviously the quality of the cover is
important, and finer covers provide more accuracy, but the reality is
that despite its simplicity the process captures much of the topology.
