diff --git a/NEWS.md b/NEWS.md
index 4405f7e5..7e00beec 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Fixed
+
+- Updated `RichardsonLinearSolver` to also accept the relaxation parameter as an `AbstractVector{Float64}` (in addition to a scalar `Float64`). Since PR[#106](https://github.com/gridap/GridapSolvers.jl/pull/106/files).
+
 ## [0.7.0] - 2026-03-10
 
 ### Breaking
diff --git a/src/LinearSolvers/RichardsonLinearSolvers.jl b/src/LinearSolvers/RichardsonLinearSolvers.jl
index b5270d50..64c38362 100644
--- a/src/LinearSolvers/RichardsonLinearSolvers.jl
+++ b/src/LinearSolvers/RichardsonLinearSolvers.jl
@@ -8,10 +8,10 @@
 Richardson Iteration, with an optional left preconditioners `Pl`.
 
 The relaxation parameter (ω) can either be of type Float64 or Vector{Float64}. 
-This gives flexiblity in relaxation.  
+This gives flexibility in relaxation.  
 """
 struct RichardsonLinearSolver<:Gridap.Algebra.LinearSolver
-  ω::Union{Vector{Float64},Float64}
+  ω::Union{AbstractVector{Float64},Float64}
   Pl::Union{Gridap.Algebra.LinearSolver,Nothing}
   log::ConvergenceLog{Float64}
 end