diff --git a/src/test/Asserter.winxed b/src/test/Asserter.winxed
index 1801a320..e5a6016f 100644
--- a/src/test/Asserter.winxed
+++ b/src/test/Asserter.winxed
@@ -231,12 +231,6 @@ class Rosella.Test.Asserter
             self.fail(message);
     }
 
-    //function within_delta($o1, $o2, $delta, string message [optional], int has_msg [opt_flag] "difference not within delta") {
-    //    my $difference = $o1 - $o2;
-    //    $difference = - $difference if $difference < 0;
-    //    self.fail($message) unless $difference < $delta;
-    //}
-
     // meta-test. Runs the block as a test, and expects a failure
     function expect_fail(var block, string message [optional], int has_msg [opt_flag])
     {
diff --git a/src/test/Builder.winxed b/src/test/Builder.winxed
index dde073c0..da120e96 100644
--- a/src/test/Builder.winxed
+++ b/src/test/Builder.winxed
@@ -7,9 +7,9 @@
 */
 class Rosella.Test.Builder
 {
-    var test_number;
-    var output;
-    var nest_level;
+    var test_number;    // The number of the current test, starting at 1
+    var output;         // The output Handle
+    var nest_level;     // The level of TAP nesting
 
     // Constructor
     function Builder(int nest_level, var output [optional], int has_out [opt_flag])
diff --git a/src/test/Failure.winxed b/src/test/Failure.winxed
index b3367045..31c4a23b 100644
--- a/src/test/Failure.winxed
+++ b/src/test/Failure.winxed
@@ -34,6 +34,7 @@ class Rosella.Test.Failure
         self.inner_ex = inner_ex;
     }
 
+    // Throw the failure exception
     function throw()
     {
         throw self.exception;
diff --git a/src/test/TestContext.winxed b/src/test/TestContext.winxed
index 4056061e..d1b135a6 100644
--- a/src/test/TestContext.winxed
+++ b/src/test/TestContext.winxed
@@ -6,7 +6,7 @@
 */
 class Rosella.Test.TestContext
 {
-    var data;
+    var data;   // The data hash
 
     // Create the TestContext, initializing the data store with any named
     // values
diff --git a/src/test/suitefactory/List.winxed b/src/test/suitefactory/List.winxed
index 2a5d102a..6e86113d 100644
--- a/src/test/suitefactory/List.winxed
+++ b/src/test/suitefactory/List.winxed
@@ -1,3 +1,7 @@
+/* Function List SuiteFactory
+    This suite factory takes a list of test functions and constructs a suite
+    from them.
+*/
 class Rosella.Test.SuiteFactory.List : Rosella.Test.SuiteFactory
 {
     /* Public Methods