Update README.md

README.md

@@ -49,6 +49,12 @@ It uses Cosmopolitan Libc to turn LLM weights into runnable llama.cpp
 binaries that run on the stock installs of six OSes for both ARM64 and
 AMD64.
 
+In addition to being executables, llamafiles are also zip archives. Each
+llamafile contains a GGUF file, which you can extract using the `unzip`
+command. If you want to change or add files to your llamafiles, then the
+`zipalign` command (distributed on the llamafile github) should be used
+instead of the traditional `zip` command.
+
 ## About Quantization Formats (General Advice)
 
 Your choice of quantization format depends on three things: