diff --git a/assert/assertions.go b/assert/assertions.go
index 10c1992..2088467 100644
--- a/assert/assertions.go
+++ b/assert/assertions.go
@@ -214,7 +214,7 @@ func Nil(t *testing.T, object interface{}, msgAndArgs ...interface{}) bool {
 	return false
 }
 
-// isEmpty gets whether the specified object is considered empty or not. 
+// isEmpty gets whether the specified object is considered empty or not.
 func isEmpty(object interface{}) bool {
 
 	if object == nil {
@@ -265,7 +265,7 @@ func Empty(t *testing.T, object interface{}, msgAndArgs ...interface{}) bool {
 // slice with len == 0.
 //
 // if assert.NotEmpty(t, obj) {
-//   assert.Equal(t, "two", obj[1])	
+//   assert.Equal(t, "two", obj[1])
 // }
 //
 // Returns whether the assertion was successful (true) or not (false).
diff --git a/assert/doc.go b/assert/doc.go
index 24b7a52..196d07e 100644
--- a/assert/doc.go
+++ b/assert/doc.go
@@ -7,9 +7,9 @@
 //      "testing"
 //      "github.com/stretchrcom/testify/assert"
 //    )
-//    
+//
 //    func TestSomething(t *testing.T) {
-//	  
+//
 //      var a string = "Hello"
 //      var b string = "Hello"
 //
@@ -30,17 +30,17 @@
 // Here is an overview of the assert functions:
 //
 //    assert.Equal(t, expected, actual [, message [, format-args])
-//    
+//
 //    assert.NotEqual(t, notExpected, actual [, message [, format-args]])
-//    
+//
 //    assert.True(t, actualBool [, message [, format-args]])
-//    
+//
 //    assert.False(t, actualBool [, message [, format-args]])
-//    
+//
 //    assert.Nil(t, actualObject [, message [, format-args]])
-//    
+//
 //    assert.NotNil(t, actualObject [, message [, format-args]])
-//    
+//
 //    assert.Empty(t, actualObject [, message [, format-args]])
 //
 //    assert.NotEmpty(t, actualObject [, message [, format-args]])
@@ -52,20 +52,20 @@
 //    assert.Implements(t, (*MyInterface)(nil), new(MyObject) [,message [, format-args]])
 //
 //    assert.IsType(t, expectedObject, actualObject [, message [, format-args]])
-//    
+//
 //    assert.Contains(t, string, substring [, message [, format-args]])
 //
 //    assert.NotContains(t, string, substring [, message [, format-args]])
 //
 //    assert.Panics(t, func(){
-//	    
+//
 //	    // call code that should panic
-//	    
+//
 //    } [, message [, format-args]])
 //
 //    assert.NotPanics(t, func(){
-//	    
+//
 //	    // call code that should not panic
-//	    
+//
 //    } [, message [, format-args]])
 package assert
diff --git a/mock/mock.go b/mock/mock.go
index 62d29fa..6fb8c96 100644
--- a/mock/mock.go
+++ b/mock/mock.go
@@ -28,7 +28,7 @@ type Call struct {
 	ReturnArguments Arguments
 }
 
-// Mock is the workhorse used to track activity on another object. 
+// Mock is the workhorse used to track activity on another object.
 // For an example of its usage, refer to the "Example Usage" section at the top of this document.
 type Mock struct {
 
@@ -170,11 +170,11 @@ func (m *Mock) Called(arguments ...interface{}) Arguments {
 }
 
 /*
-	Assertions 
+	Assertions
 */
 
-// AssertExpectationsForObjects asserts that everything specified with On and Return 
-// of the specified objects was in fact called as expected.  
+// AssertExpectationsForObjects asserts that everything specified with On and Return
+// of the specified objects was in fact called as expected.
 //
 // Calls may have occurred in any order.
 func AssertExpectationsForObjects(t *testing.T, testObjects ...interface{}) bool {
@@ -265,7 +265,7 @@ func (m *Mock) methodWasCalled(methodName string, arguments []interface{}) bool
 type Arguments []interface{}
 
 const (
-	// The "any" argument.  Used in Diff and Assert when 
+	// The "any" argument.  Used in Diff and Assert when
 	// the argument being tested shouldn't be taken into consideration.
 	Anything string = "mock.Anything"
 )