Fix readme typo

README.md

@@ -58,14 +58,10 @@ npm run test
 tree-sitter parse test/test.just
 ```
 
-ALl our queries are in `queries-src`. This directory is what gets tested by
+All our queries are in `queries-src`. This directory is what gets tested by
 tree-sitter, and should be usable by helix. To generate queries for NeoVim,
 run `./build-flavored-queries.py` (this is run as part of `npm run gen`).
 
-You can use the `nvim-treesitter/playground` plugin
-[from here](https://github.com/nvim-treesitter/playground), to explore the
-resulting parse tree. Use `TSPlaygroundToggle` to view the parse tree, and
-use `TSHighlightCapturesUnderCursor` to view highlight groups
 
 ## Quirks of Just