fix docstring

Author: ufechner7

src/solver.jl

@@ -2,7 +2,7 @@
 """
     Solver
 
-Main solver structure for the Vortex Step Method.
+Main solver structure for the Vortex Step Method.See also: [solve](@ref)
 
 # Attributes
 
@@ -49,7 +49,6 @@ end
           log=false, reference_point=zeros(MVec3))
 
 Main solving routine for the aerodynamic model. Reference point is in the kite body (KB) frame.
-See also: [solve](@ref)
 
 # Arguments:
 - solver::Solver: The solver to use, could be a VSM or LLT solver. See: [Solver](@ref)