small fix for example formatting on Empty func

assert/assertions.go

@@ -382,7 +382,7 @@ func isEmpty(object interface{}) bool {
 // Empty asserts that the specified object is empty.  I.e. nil, "", false, 0 or either
 // a slice or a channel with len == 0.
 //
-// assert.Empty(t, obj)
+//  assert.Empty(t, obj)
 //
 // Returns whether the assertion was successful (true) or not (false).
 func Empty(t TestingT, object interface{}, msgAndArgs ...interface{}) bool {

assert/forward_assertions.go

@@ -81,7 +81,7 @@ func (a *Assertions) Nil(object interface{}, msgAndArgs ...interface{}) bool {
 // Empty asserts that the specified object is empty.  I.e. nil, "", false, 0 or a
 // slice with len == 0.
 //
-// assert.Empty(obj)
+//  assert.Empty(obj)
 //
 // Returns whether the assertion was successful (true) or not (false).
 func (a *Assertions) Empty(object interface{}, msgAndArgs ...interface{}) bool {