In this ticket, we improve the documentation and explain in more detail how to use the syntax nab[1,2] = omega for bundle connections sage.manifolds.differentiable.bundle_connection properly.
CC: @tscrim @egourgoulhon
Component: manifolds
Author: Michael Jung
Branch/Commit: 2ce59fb
Reviewer: Travis Scrimshaw
Issue created by migration from https://trac.sagemath.org/ticket/31215