Maybe fix?

docs/src/features/utilities.md

@@ -1,13 +1,14 @@
-# Ease of notation
+# Utilities
+
+## Ease of notation
 
 The following terms introduce a nicer notation for some operations, for example using the ∈ operator, $p ∈ \mathcal M$, to determine whether $p$ is a point on the [`AbstractManifold`](https://juliamanifolds.github.io/ManifoldsBase.jl/stable/types.html#ManifoldsBase.AbstractManifold)  $\mathcal M$.
 
 ````@docs
 in
-TangentSpace
 ````
 
-# Fallback for the exponential map: Solving the corresponding ODE
+## Fallback for the exponential map: Solving the corresponding ODE
 
 When additionally loading [`NLSolve.jl`](https://github.com/JuliaNLSolvers/NLsolve.jl) the following fallback for the exponential map is available.
 
@@ -17,15 +18,9 @@ Pages = ["nlsolve.jl"]
 Order = [:type, :function]
 ```
 
-# Public documentation
-
-The following functions are of interest for extending and using the [`ProductManifold`](https://juliamanifolds.github.io/ManifoldsBase.jl/stable/metamanifolds/#ManifoldsBase.ProductManifold).
-
-```@docs
-submanifold_components
-```
+## Public documentation
 
-## Specific exception types
+### Specific exception types
 
 For some manifolds it is useful to keep an extra index, at which point on the manifold, the error occurred as well as to collect all errors that occurred on a manifold. This page contains the manifold-specific error messages this package introduces.