diff --git a/README.md b/README.md
index a8f1324..5818c69 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,7 @@ The version of FFmpeg here by default is **4.2.2** (but can be overridden). And
 The details of how this script is implemented are described in this series of posts:
 * [Part 1](https://proandroiddev.com/a-story-about-ffmpeg-in-android-part-i-compilation-898e4a249422)
 * [Part 2](https://proandroiddev.com/a-story-about-ffmpeg-in-android-part-ii-integration-55fb217251f0)
+* [Part 3](https://proandroiddev.com/a-story-about-ffmpeg-on-android-part-iii-extension-71025444896e)
 
 The [WIKI](https://github.com/Javernaut/ffmpeg-android-maker/wiki) contains a lot of useful information.
 
@@ -47,7 +48,7 @@ For **libdav1d** building you also need to install *ninja* and *meson* tools.
 
 ## Features
 
-**Add and arbitrary external library that FFMpeg supports to the building process**. Just specify how the source code needs to be downloaded and how to perform the build operation. More about this is [here](https://github.com/Javernaut/ffmpeg-android-maker/wiki/External-libraries-integration).
+**Add an arbitrary external library that FFMpeg supports to the building process**. Just specify how the source code needs to be downloaded and how to perform the build operation. More about this is [here](https://github.com/Javernaut/ffmpeg-android-maker/wiki/External-libraries-integration).
 
 **Setting your own FFmpeg version and origin**. You can actually override the version of FFmpeg used by the script. See details [here](https://github.com/Javernaut/ffmpeg-android-maker/wiki/Setting-the-FFmpeg-version).