diff --git a/README.md b/README.md
index a364fb8c..9b5aa953 100644
--- a/README.md
+++ b/README.md
@@ -2,10 +2,10 @@
 
 This is the source code of Angry IP Scanner, licensed with GPL v2. [Official site](https://angryip.org/)
 
-The code is written mostly in Java (currently, source level 1.8).
+The code is written mostly in Java (currently, source level 11).
 IntelliJ IDEA is recommended for coding (Community Edition is fine): Import as Gradle project.
 
-Projects supports building for Linux, Windows and Mac OS X.
+The project supports building for Linux, Windows and Mac OS.
 
 ## Building [![Actions Status](https://github.com/angryip/ipscan/workflows/CI/badge.svg)](https://github.com/angryip/ipscan/actions)
 
@@ -32,3 +32,13 @@ sudo apt install openjdk-11-jdk rpm fakeroot wine-stable
 Note: *wine* is needed for building of Windows installer.
 
 Install OpenJDK on other platforms as you usually do it.
+
+## Helping
+
+If you have an obscure issue in your network that most likely the author will not be able to reproduce, you
+can help with debugging of it.
+
+For that, download [Intellij IDEA community edition](https://www.jetbrains.com/idea/download/) and open the cloned project.
+Then, you can run Angry IP Scanner in Debug mode and put a breakpoint into the [desired Fetcher class](src/net/azib/ipscan/fetchers).
+
+Pull requests are welcome!