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@@ -2,14 +2,11 @@
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 require 'matrix'
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 describe "Matrix#clone" do
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-  it "needs to be reviewed for spec completeness" do
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-  end
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-  
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   before(:each) do
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     @a = Matrix[[1, 2], [3, 4], [5, 6]]
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   end
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-  it "returns a copy of the matrix, but with all the references different" do
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+  it "returns a copy of the matrix values" do
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     b = @a.clone
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     b.class.should == Matrix
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     b.should == @a

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@@ -6,14 +6,11 @@
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     @m = Matrix.diagonal(10, 11, 12, 13, 14)
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   end
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-  it "needs to be reviewed for spec completeness" do
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-  end
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-  
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   it "returns an object of type Matrix" do
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     @m.class.should == Matrix
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   end
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-  it "puts its arguments on the diagonal of a matrix" do
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+  it "sets the diagonal to the arguments" do
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     (0..4).each do |i|
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       @m[i, i].should == i + 10
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     end

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@@ -3,7 +3,7 @@
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 describe "Matrix.[]" do
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   # Matrix.[] is really a constructor, not an element reference function...
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-  
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+
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   before(:each) do
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     @a = [1, 2, 3]
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     @b = [4, 5, 6]
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@@ -11,14 +11,11 @@
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     @m = Matrix[@a, @b, @c]
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   end
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-  it "needs to be reviewed for spec completeness" do
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-  end
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-  
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   it "returns an object of type Matrix" do
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     @m.class.should == Matrix
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   end
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-  it "makes each argument into a row in the newly created Matrix" do
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+  it "makes each argument into a row" do
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     @m.row(0).to_a.should == @a
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     @m.row(1).to_a.should == @b
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     @m.row(2).to_a.should == @c
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@@ -26,10 +23,7 @@
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 end
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 describe "Matrix#[]" do
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-  it "needs to be reviewed for spec completeness" do
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-  end
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-  
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-  it "returns element (i, j) of the matrix" do
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+  it "returns element at (i, j)" do
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     m = Matrix[[0, 1, 2], [3, 4, 5], [6, 7, 8], [9, 10, 11]]
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     (0..3).each do |i|
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       (0..2).each do |j|

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@@ -2,8 +2,6 @@
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 require 'matrix'
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 describe "Matrix.scalar" do
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-  it "needs to be reviewed for spec completeness" do
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-  end
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   before(:each) do
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     @side = 3
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@@ -15,18 +13,18 @@
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     @a.class.should == Matrix
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   end
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-  it "returns a square matrix, where the first argument specifies the side of the square" do
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+  it "returns a n x n matrix" do
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     @a.row_size.should == @side
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     @a.column_size.should == @side
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   end
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-  it "puts the second argument in all diagonal values" do
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+  it "initializes diagonal to value" do
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     (0...@a.row_size).each do |i|
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       @a[i, i].should == @value
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     end
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   end
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-  it "fills all values not on the main diagonal with 0" do
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+  it "initializes all non-diagonal values to 0" do
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     (0...@a.row_size).each do |i|
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       (0...@a.column_size).each do |j|
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         if i != j

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@@ -2,14 +2,11 @@
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 shared :matrix_identity do |cmd|
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   describe "Matrix.#{cmd}" do
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-    it "needs to be reviewed for spec completeness" do
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-    end
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-    
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     it "returns a Matrix" do
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       Matrix.send(cmd, 2).class.should == Matrix
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     end
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-    it "returns a scalar matrix where the diagonal is filled with 1" do
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+    it "returns a n x n identity matrix" do
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       Matrix.send(cmd, 3).should == Matrix.scalar(3, 1)
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       Matrix.send(cmd, 100).should == Matrix.scalar(100, 1)
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     end

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@@ -2,10 +2,7 @@
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 shared :matrix_transpose do |cmd|
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   describe "Matrix##{cmd}" do
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-    it "needs to be reviewed for spec completeness" do
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-    end
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-  
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-    it "transposes rows and columns" do
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+    it "returns a transpose matrix" do
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       Matrix[[1, 2], [3, 4], [5, 6]].transpose.should == Matrix[[1, 3, 5], [2, 4, 6]]
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     end
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   end

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@@ -2,14 +2,11 @@
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 require 'matrix'
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 describe "Matrix.zero" do
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-  it "needs to be reviewed for spec completeness" do
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-  end
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-  
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   it "returns an object of type Matrix" do
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     Matrix.zero(3).class.should == Matrix
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   end
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-  it "creates a square matrix with size given by the argument" do
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+  it "creates a n x n matrix" do
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     m3 = Matrix.zero(3)
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     m3.row_size.should == 3
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     m3.column_size.should == 3
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@@ -20,7 +17,7 @@
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   end
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   it "initializes all cells to 0" do
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-    size = 10 # arbitrary value
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+    size = 10 
0
     m = Matrix.zero(size)
0
     
0
     (0...size).each do |i|