diff --git a/README.md b/README.md
index 285cf32..3c54a5d 100644
--- a/README.md
+++ b/README.md
@@ -10,4 +10,9 @@ It's pretty opinionated. You might not like it.
 2. Run Neovim.
 3. Wait for everything to install.
 
+# Post Installation
+
+- `vale` requires a configuration file to work. [Make sure one is present][valeconfig]. You may also need to run `vale sync` after adding it (if installed using Mason, make sure to run the binary installed by Mason and not the global one, if present).
+
 [lazynvim]: https://github.com/folke/lazy.nvim
+[valeconfig]: https://vale.sh/docs/topics/config/#global-configuration