Fix typos and extend doc string for CG.

Author: kellertuer

src/plans/conjugate_gradient_plan.jl

@@ -52,7 +52,7 @@ The following fields from above <re keyword arguments
 $(_var(:Keyword, :X, "initial_gradient"))
 $(_var(:Keyword, :p; add = :as_Initial))
 * `coefficient=[`ConjugateDescentCoefficient`](@ref)`()`: specify a CG coefficient, see also the [`ManifoldDefaultsFactory`](@ref).
-* `restart_condition=[`NeverRestart`](@ref)`()`: specify a [restart condition](@ref cg-restart). It defaults to never restart.
+* `restart_condition=`[`NeverRestart`](@ref)`()`: specify a [restart condition](@ref cg-restart). It defaults to never restart.
 $(_var(:Keyword, :stepsize; default = "[`default_stepsize`](@ref)`(M, ConjugateGradientDescentState; retraction_method=retraction_method)`"))
 $(_var(:Keyword, :stopping_criterion; default = "[`StopAfterIteration`](@ref)`(500)`$(_sc(:Any))[`StopWhenGradientNormLess`](@ref)`(1e-8)`)"))
 $(_var(:Keyword, :retraction_method))

src/solvers/conjugate_gradient_descent.jl

@@ -83,7 +83,7 @@ $(_var(:Argument, :p))
   rule to compute the descent direction update coefficient ``β_k``, as a functor, where
   the resulting function maps are `(amp, cgs, k) -> β` with `amp` an [`AbstractManoptProblem`](@ref),
   `cgs` is the [`ConjugateGradientDescentState`](@ref), and `k` is the current iterate.
-* `restart_condition::AbstractRestartCondition=`[`NeverRestart`]`)(@ref)`()`:
+* `restart_condition::AbstractRestartCondition=`[`NeverRestart`](@ref)`()`:
   rule when the algorithm should restart, i.e. use the negative gradient instead of the computed direction,
   as a functior where the resulting function maps are `(amp, cgs, k) -> corr::Bool` with `amp` an [`AbstractManoptProblem`](@ref),
   `cgs` is the [`ConjugateGradientDescentState`](@ref), and `k` is the current iterate.
@@ -97,6 +97,8 @@ $(_var(:Keyword, :vector_transport_method))
 If you provide the [`ManifoldFirstOrderObjective`](@ref) directly, the `evaluation=` keyword is ignored.
 The decorations are still applied to the objective.
 
+$(_note(:OtherKeywords))
+
 $(_note(:OutputSection))
 """