diff --git a/README.md b/README.md
index c525940..1863424 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ Remove comments from source files.
 
 **Disclaimer: This software is not extensively tested so should only be used used for testing right now**
 
-## Installation and use
+## Installation instructions (Linux and MacOS)
 
 This is how I would install and use this, I haven't spent any time to package it properly.
 
@@ -18,14 +18,20 @@ Make the draincleaner.py executable
 $ chmod +x draincleaner.py
 ```
 
-In your .bashrc file add the following, but change path to your draincleaner directory:
+In your .bashrc file located in your users home directory (on MacOS it's the .zshrc file in /Users/user/) add the following:
+
 ```bash
 draincleaner() {
 	/path/to/draincleaner.py "$@"
 }
 ```
+change the path to point to the directory where draincleaner is located.
 
-Done. Now you can run it anywhere by typing:
+Done. Now you can run it anywhere from your terminal by typing:
 ```
 $ draincleaner
-```
\ No newline at end of file
+```
+
+# Known issues
+
+* --show-strings fails to detect and print f-strings.