Updated the README file to clarify prerequisites. (#191)
diff --git a/README.md b/README.md
index 1c9e343..7853942 100644
--- a/README.md
+++ b/README.md
@@ -8,10 +8,9 @@
## Features at a glance
-* Multiple fuzzing engines out of the box:
- * [libFuzzer][libfuzzer-doc]
- * [Honggfuzz][honggfuzz-doc]
- * Java fuzzing through [Jazzer][jazzer-doc]
+* C++ and Java fuzzing, with several fuzzing engines supported out of the box:
+ * C++: [libFuzzer][libfuzzer-doc] and [Honggfuzz][honggfuzz-doc]
+ * Java: [Jazzer][jazzer-doc]
* Multiple sanitizer configurations:
* [Address Sanitizer][asan-doc]
* [Memory Sanitizer][msan-doc]
@@ -23,23 +22,31 @@
* Out-of-the-box [OSS-Fuzz](https://github.com/google/oss-fuzz) support that [substantially simplifies][bazel-oss-fuzz] the project integration effort.
* Regression testing support, useful in continuous integration.
* Customization options:
- * Defining additional fuzzing engines
+ * Defining additional fuzzing engines.
* Customizing the behavior of the fuzz test rule.
Contributions are welcome! Please read the [contribution guidelines](/docs/contributing.md).
## Getting started
-This section will walk you through the steps to set up fuzzing in your Bazel project and write your first fuzz test. We assume Bazel [is installed](https://docs.bazel.build/versions/4.0.0/install.html) on your machine.
+This section will walk you through the steps to set up fuzzing in your Bazel project and write your first fuzz test. We assume Bazel [is installed](https://docs.bazel.build/versions/main/install.html) on your machine.
### Prerequisites
-The fuzz tests require a Clang compiler. The libFuzzer engine requires at least Clang 6.0. In addition, the Honggfuzz engine requires the `libunwind-dev` and `libblocksruntime-dev` packages:
+The fuzzing rules have been tested on Bazel 4.0.0 or later. Check your Bazel version by running `bazel --version`.
+
+C++ fuzzing requires a Clang compiler. The libFuzzer engine requires at least Clang 6.0. In addition, the Honggfuzz engine requires the `libunwind-dev` and `libblocksruntime-dev` packages:
```sh
$ sudo apt-get install clang libunwind-dev libblocksruntime-dev
```
+Java fuzzing requires Clang and the LLD linker:
+
+```sh
+$ sudo apt-get install clang lld
+```
+
### Configuring the WORKSPACE
Add the following to your `WORKSPACE` file:
