diff --git a/CHANGES.md b/CHANGES.md
index feee6ac9..d702696e 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -20,6 +20,9 @@ unreleased
 
 - Remove unnecessary test dependencies towards base and stdio (#421, @kit-ty-kate)
 
+- Update description to reflect that `ppxlib` contains more than a library
+  (#422, @pitag-ha)
+
 0.29.1 (14/02/2023)
 ------------------
 
diff --git a/dune-project b/dune-project
index 17bd475c..54683d0e 100644
--- a/dune-project
+++ b/dune-project
@@ -27,10 +27,10 @@
  (conflicts
   (ocaml-migrate-parsetree (< 2.0.0))
   base-effects)
- (synopsis "Standard library for ppx rewriters")
- (description "Ppxlib is the standard library for ppx rewriters and other programs
-that manipulate the in-memory representation of OCaml programs, a.k.a
-the \"Parsetree\".
+ (synopsis "Standard infrastructure for ppx rewriters")
+ (description "Ppxlib is the standard infrastructure for ppx rewriters
+and other programs that manipulate the in-memory representation of
+OCaml programs, a.k.a the \"Parsetree\".
 
 It also comes bundled with two ppx rewriters that are commonly used to
 write tools that manipulate and/or generate Parsetree values;
diff --git a/ppxlib.opam b/ppxlib.opam
index 77835b5d..56fa0c80 100644
--- a/ppxlib.opam
+++ b/ppxlib.opam
@@ -1,10 +1,10 @@
 # This file is generated by dune, edit dune-project instead
 opam-version: "2.0"
-synopsis: "Standard library for ppx rewriters"
+synopsis: "Standard infrastructure for ppx rewriters"
 description: """
-Ppxlib is the standard library for ppx rewriters and other programs
-that manipulate the in-memory representation of OCaml programs, a.k.a
-the "Parsetree".
+Ppxlib is the standard infrastructure for ppx rewriters
+and other programs that manipulate the in-memory representation of
+OCaml programs, a.k.a the "Parsetree".
 
 It also comes bundled with two ppx rewriters that are commonly used to
 write tools that manipulate and/or generate Parsetree values;