README: add section about manual installation

diff --git a/README.md b/README.md
index bf5e088ef99cc8db595f080a45354f8bf1b31d01..9271fba1efbfe2ba39301c7a23b0a1fde83f443e 100644 (file)
--- a/README.md
+++ b/README.md
@@ -15,10 +15,17 @@ This is is a zsh optimized version of
 
 ## Installation
 
-Using [antigen](https://github.com/zsh-users/antigen)
+### Using [antigen](https://github.com/zsh-users/antigen)
 
     antigen-bundle Tarrasch/zsh-autoenv
 
+### Manually
+
+Clone the repository and source it from your `~/.zshrc` file:
+
+    git clone https://github.com/Tarrasch/zsh-autoenv ~/.dotfiles/lib/zsh-autoenv
+    echo 'source ~/.dotfiles/lib/zsh-autoenv/autoenv.zsh' >> ~/.zshrc
+
 ## Credits
 
 The code was mostly copied from [Joshua Clayton](https://github.com/joshuaclayton)