Comment typos

testing/unittests/sourcedoc.xml

@@ -38,7 +38,7 @@
         The difference between internal and API tests is that the former tests
         have access to the internal classes, and can change states that other
         classes don't, while the latter is seeing the classes as the rest of
-        HPCC does. So, the API tests also server as documentation on how to
+        HPCC does. So, the API tests also serves as documentation on how to
         use the API and to expose API problems.
     </para>
     <para>

testing/unittests/unittests.cpp

@@ -29,7 +29,8 @@
 
 /*
  * This is the main unittest driver for HPCC. From here,
- * all unit tests, be them internal or external (API).
+ * all unit tests, be they internal or external (API),
+ * will run.
  *
  * All internal unit tests, written on the same source
  * files as the implementation they're testing, can be
@@ -41,7 +42,7 @@
  * files within the same directory as this file, and
  * statically linked together.
  *
- * CPPUnit will automaticall recognise and run them all.
+ * CPPUnit will automatically recognise and run them all.
  */
 
 /*