Test format check

.github/workflows/FormatCheck.yml

@@ -7,4 +7,4 @@ jobs:
   code-style:
     runs-on: ubuntu-latest
     steps:
-    - uses: julia-actions/julia-format@master
+    - uses: julia-actions/julia-format@v2

src/loss/WLS/WLS.jl

@@ -22,7 +22,7 @@ Weighted least squares estimation.
 - `approximate_hessian::Bool`: should the hessian be swapped for an approximation
 - `wls_weight_matrix`: the weight matrix for weighted least squares. 
     Defaults to GLS estimation (``0.5*(D^T*kron(S,S)*D)`` where D is the duplication matrix 
-    and S is the inverse ob the observed covariance matrix)
+    and S is the inverse of the observed covariance matrix)
 - `wls_weight_matrix_mean`: the weight matrix for the mean part of weighted least squares. 
     Defaults to GLS estimation (the inverse of the observed covariance matrix)
 
@@ -171,8 +171,8 @@ function objective_gradient!(semwls::SemWLS, par, model::AbstractSemSingle, has_
             gradient = -2*(σ₋'*V*∇σ + μ₋'*V_μ*∇μ)'
             return objective, gradient
         else
-            objective = dot(σ₋, V, σ₋) 
-            gradient = -2*(σ₋'*V*∇σ)'
+            objective = dot(σ₋, V, σ₋)
+            gradient = -2*(σ₋'*V* ∇σ)'
             return objective, gradient
         end
     end