docs: rephrase the README opening

README.md

@@ -1,8 +1,9 @@
 # tree-sitter-tumblr
 
 A [tree-sitter](https://tree-sitter.github.io/) grammar for [Tumblr
-theme](https://www.tumblr.com/docs/en/custom_themes) template syntax,
-packaged as a drop-in Neovim runtime tree.
+theme](https://www.tumblr.com/docs/en/custom_themes) template syntax.
+The repository also ships filetype detection, queries, and the build
+glue Neovim needs, so you can install it directly as a plugin.
 
 The grammar recognises the structure of theme files (variables, block
 tags, attributes, `lang:` tags, prefixed forms, size suffixes) and
@@ -73,7 +74,7 @@ Files are recognised as `tumblr` by extension or by double-extension:
 ```sh
 tree-sitter generate     # regenerate src/parser.c from grammar.js
 tree-sitter test         # run the test corpus under test/corpus/
-make                     # rebuild parser/tumblr.so for Neovim
+make                     # build parser/tumblr.so
 ```
 
 The known-name lists in `queries/tumblr/highlights.scm` were extracted