diff --git a/README.md b/README.md
index 434d379..1684ed5 100644
--- a/README.md
+++ b/README.md
@@ -120,6 +120,48 @@ exception is raised with the ```name``` of the test added to the
 exception. If the test passes, prints "." like all tests from this
 module do.
 
+    (test-equal? name expression expected-result)
+
+* ```name``` - identifier representing the name of the test
+* ```expression``` - expression to be evaluated
+* ```expected-result``` - expected result of the test expression
+
+Evaluates the test ```expression``` and compares the result with
+```expected-result``` using ```equal?```. If the comparison fails, an
+exception is raised with the ```name``` of the test added to the
+exception. If the test passes, prints "." like all tests from this
+module do.
+
+    (test-true name expression)
+
+* ```name``` - identifier representing the name of the test
+* ```expression``` - expression to be evaluated
+
+Evaluates the test ```expression``` and checks whether the result is
+```#t``` (true). An exception is raised if it is not with the
+```name``` of the test added to the exception. If the test passes,
+prints "." like all tests from this module do.
+
+    (test-false name expression)
+
+* ```name``` - identifier representing the name of the test
+* ```expression``` - expression to be evaluated
+
+Evaluates the test ```expression``` and checks whether the result is
+```#f``` (false). An exception is raised if it is not with the
+```name``` of the test added to the exception. If the test passes,
+prints "." like all tests from this module do.
+
+    (test-exn name expression)
+
+* ```name``` - identifier representing the name of the test
+* ```expression``` - expression to be evaluated
+
+Evaluates the test ```expression``` and checks whether it raised an
+exception. An exception is raised if no exception was raised during
+the evaluation. If the test passes, prints "." like all tests from
+this module do.
+
 ### Utils
 
 To ensure there are no external dependencies (including chicken eggs),
diff --git a/testing.scm b/testing.scm
index 9982f0e..ec191a3 100644
--- a/testing.scm
+++ b/testing.scm
@@ -27,7 +27,14 @@
 
 (module
  testing
- (test-eq? test-equal? test-exn test-true test-false run-tests)
+ (
+  test-eq?
+  test-equal?
+  test-exn
+  test-true
+  test-false
+  run-tests
+  )
 
  (import scheme
 	 (chicken condition)