diff --git a/CHANGELOG.md b/CHANGELOG.md
index e80b1d8..3580fa4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.2.2 (2026-10-19)
+
+- The README's closing section describes folio, giro and lab-kit by what each does: folio keeps the documents, giro takes a spec to proof on a branch, and lab-kit runs research on top of folio. No change to the engine.
+
 ## 0.2.1 (2026-10-15)
 
 - Code listings are coloured by their language. The shell vendors highlight.js 11.11.1 (its common languages, plus Verilog and SystemVerilog, VHDL, Tcl, Haskell, OCaml, Coq, Lisp, Scheme, LaTeX, Dockerfile and Nix, and a small Lean grammar) and loads it only on a page with a `<pre><code>`. A `language-<name>` class on the code, the `<pre>` or an element around them names the language, as a Markdown fence does; without one the shell guesses, gives a short or unclear listing the page's main language when it fits, and leaves the rest, such as program output, plain. `language-plaintext` or `nohighlight` opts out, and a listing with markup inside is never touched. The colours come from the shell's registers, so they follow the theme. `craft/code.md` drops its rule against highlighting and asks for the language class.
diff --git a/pyproject.toml b/pyproject.toml
index 2989157..76db6ce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ build-backend = "hatchling.build"
 [project]
 dynamic = ["readme"]
 name = "folio-kb"
-version = "0.2.1"
+version = "0.2.2"
 description = "A knowledge library a coding agent builds and keeps, checked by a gate."
 license = "MIT"
 authors = [{ name = "Piergiuseppe Mallozzi" }]
diff --git a/src/folio/__init__.py b/src/folio/__init__.py
index 2f3c58e..b0d6fa1 100644
--- a/src/folio/__init__.py
+++ b/src/folio/__init__.py
@@ -1,3 +1,3 @@
 """folio: a knowledge library a coding agent builds and keeps."""
 
-__version__ = "0.2.1"
+__version__ = "0.2.2"