diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..76a1fab
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,32 @@
+# ---> Java
+# Compiled class file
+*.class
+bin/**
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+fs-*.jar
+batik*.jar
+jai*.jar
+jna*.jar
+webforms*.jar
+webp*.jar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+replay_pid*
+
diff --git a/README.md b/README.md
index 5cb1750..94cbc3e 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 - OpenJDK11 (On Windows this gets installed together with FS `C:/Users/<User>/.firstspirit/FSLauncher/jre/11.0.11/jre-win/jdk-11.0.11+9-jre/bin/java.exe`)
 - AspectJ https://www.eclipse.org/aspectj/ (already included)
 - copy `.firstspirit/FSLauncher/jar/*`, `.firstspirit_<version>/jars/*` (usually located in $HOME) of the FS installation into `lib/`
-- Fix some FirstSpirit crap: open 
+- Fix some FirstSpirit crap: open `.firstspirit/FSLauncher/jar/fs-isolated-client-<version>.jar` and replace `de/javasoft\plaf\synthetica\SyntheticaIcon.class` with `META-INF\versions\9\de\javasoft\plaf\synthetica\SyntheticaIcon.class`
 
 ## Paths
 - `<java>` point to your (or FSs) OpenJDK11 installation