diff --git a/README.md b/README.md
index 3c2f3b6..1590f49 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ defined by a series of options similar to those supported by `javac`.
 
 * _[Daisy Diff]_: an HTML comparison library, required when building `apidiff`
 * _[Java Diff Utils]_: a plain-text comparison library, required when building `apidiff`
-* _[TestNG]_: the testing framework, used to run some of the tests for `apidiff`
+* _[JUnit]_: the testing framework, used to run some of the tests for `apidiff`
 
 Suitable versions of these dependencies can be downloaded by running
 `make/build.sh`.
@@ -39,12 +39,12 @@ unless these values have been overridden on the command line used to run `make`.
 An IDE such as IntelliJ IDEA needs the following configuration:
 
 * Sources Root: `src`
-* TestNG Test Root: `test/testng`
+* JUnit Test Root: `test/junit`
 * Libraries:
-  * _Daisy Diff_, _Java Diff Utils_ available for compilation
-  * _TestNG_ available for testing
+  * _Daisy Diff_, _HTMLCleaner_, _Java Diff Utils_ available for compilation
+  * _JUnit_ available for testing
 
-In addition, some TestNG tests require access to internal classes in
+In addition, some JUnit tests require access to internal classes in
 the `jdk.compiler` and `jdk.jdeps` modules:
 
 ````
@@ -80,4 +80,4 @@ parts of those files that will be compared by `apidiff`.
 
 [Daisy Diff]: https://github.com/DaisyDiff/DaisyDiff
 [Java Diff Utils]: https://github.com/java-diff-utils/java-diff-utils
-[TestNG]: https://testng.org/
+[JUnit]: https://junit.org/
diff --git a/make/README.md b/make/README.md
index db1bc2c..fdfc50a 100644
--- a/make/README.md
+++ b/make/README.md
@@ -9,6 +9,7 @@ _apidiff_ has various external dependencies:
 
 * _JDK_: must be at least JDK 17
 * _Java Diff Utils_
+* _HtmlCleaner_
 * _Daisy Diff_
 * _JUnit_ (for testing only)
 
@@ -44,7 +45,9 @@ The makefile provides the following targets:
 * `build`: build _apidiff_
 
    Requires the following to be set:
-   `JDKHOME`, `JAVA_DIFF_UTILS_JAR`, `JAVA_DIFF_UTILS_LICENSE`, `DAISYDIFF_JAR`, `DAISYDIFF_LICENSE`.
+   `JDKHOME`, `JAVA_DIFF_UTILS_JAR`, `JAVA_DIFF_UTILS_LICENSE`,
+   `DAISYDIFF_JAR`, `DAISYDIFF_LICENSE`,
+   `HTMLCLEANER_JAR`, `HTMLCLEANER_LICENSE`.
 
 * `test`: run tests
 
@@ -66,12 +69,12 @@ The makefile provides the following targets:
 
 ## File Locations
 
-| Files                | GNU Make                          | Ant                                     | IntelliJ          |
-|----------------------|-----------------------------------|-----------------------------------------|-------------------|
-| Default Dependencies | build/deps                        | build/deps                              | build/deps        |
-| Main Classes         | build/classes                     | build/classes                           | out/production    |
-| Test Classes         | build/TestNGTests/classes         | build/test/classes                      | out/test          |
-| Test Work            | build/TestNGTests/work            | build/test/work                         | build/test/work   |
-| Test Report          | build/TestNGTests/report          | build/test/report                       |                   |
-| Image                | build/images/apidiff              | dist/apidiff                            |                   |
-| Bundle               | build/images/apidiff.zip          | dist/apidiff.zip                        |                   |
+| Files                | GNU Make                 | Ant                | IntelliJ          |
+|----------------------|--------------------------|--------------------|-------------------|
+| Default Dependencies | build/deps               | build/deps         | build/deps        |
+| Main Classes         | build/classes            | build/classes      | out/production    |
+| Test Classes         | build/JUnitTests/classes | build/test/classes | out/test          |
+| Test Work            | build/JUnitTests/work    | build/test/work    | build/test/work   |
+| Test Report          | build/JUnitTests/report  | build/test/report  |                   |
+| Image                | build/images/apidiff     | dist/apidiff       |                   |
+| Bundle               | build/images/apidiff.zip | dist/apidiff.zip   |                   |