1 files changed, 3 insertions, 3 deletions
diff --git a/spec/ruby/shared/rational/minus.rb b/spec/ruby/shared/rational/minus.rb
index 01c743be72..e23430111e 100644
--- a/spec/ruby/shared/rational/minus.rb
+++ b/spec/ruby/shared/rational/minus.rb
@@ -1,7 +1,7 @@
 require File.expand_path('../../../spec_helper', __FILE__)
 
 describe :rational_minus_rat, shared: true do
-  it "returns the result of substracting other from self as a Rational" do
+  it "returns the result of subtracting other from self as a Rational" do
     (Rational(3, 4) - Rational(0, 1)).should eql(Rational(3, 4))
     (Rational(3, 4) - Rational(1, 4)).should eql(Rational(1, 2))
 
@@ -10,14 +10,14 @@ describe :rational_minus_rat, shared: true do
 end
 
 describe :rational_minus_int, shared: true do
-  it "returns the result of substracting other from self as a Rational" do
+  it "returns the result of subtracting other from self as a Rational" do
     (Rational(3, 4) - 1).should eql(Rational(-1, 4))
     (Rational(3, 4) - 2).should eql(Rational(-5, 4))
   end
 end
 
 describe :rational_minus_float, shared: true do
-  it "returns the result of substracting other from self as a Float" do
+  it "returns the result of subtracting other from self as a Float" do
     (Rational(3, 4) - 0.2).should eql(0.55)
     (Rational(3, 4) - 2.5).should eql(-1.75)
   end