diff --git a/README.md b/README.md
index 81019d2..b69d2a7 100644
--- a/README.md
+++ b/README.md
@@ -55,7 +55,7 @@ A vector of variables can be defined using list comprehension and string interpo
 
 ```julia
 julia> [symbols("α_$i") for i in 1:3]
-3-element Array{SymEngine.Basic,1}:
+3-element Vector{Basic}:
  α_1
  α_2
  α_3
@@ -68,7 +68,7 @@ One can use a matrix comprehension, and string interpolation to create a matrix
 
 ```julia
 julia> W = [symbols("W_$i$j") for i in 1:3, j in 1:4]
-3×4 Array{Basic,2}:
+3×4 Matrix{Basic}:
  W_11  W_12  W_13  W_14
  W_21  W_22  W_23  W_24
  W_31  W_32  W_33  W_34
@@ -80,7 +80,7 @@ Now using the matrix we can perform matrix operations:
 
 ```julia
 julia> W*[1.0, 2.0, 3.0, 4.0]
-3-element Array{Basic,1}:
+3-element Vector{Basic}:
  1.0*W_11 + 2.0*W_12 + 3.0*W_13 + 4.0*W_14
  1.0*W_21 + 2.0*W_22 + 3.0*W_23 + 4.0*W_24
  1.0*W_31 + 2.0*W_32 + 3.0*W_33 + 4.0*W_34