diff --git a/manifest/src/pkgr.rs b/manifest/src/ext.rs
similarity index 80%
rename from manifest/src/pkgr.rs
rename to manifest/src/ext.rs
index 530a37c..b47a60c 100644
--- a/manifest/src/pkgr.rs
+++ b/manifest/src/ext.rs
@@ -2,9 +2,9 @@ use serde::{Deserialize, Serialize};
 use std::fmt::{Display, Formatter};
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
-pub struct PKGR {}
+pub struct Extension {}
 
-impl Display for PKGR {
+impl Display for Extension {
     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
         write!(f, "")
     }
diff --git a/manifest/src/lib.rs b/manifest/src/lib.rs
index 0d52840..af685e7 100644
--- a/manifest/src/lib.rs
+++ b/manifest/src/lib.rs
@@ -6,17 +6,17 @@ pub mod bin;
 pub mod build;
 pub mod fs;
 pub mod package;
-pub mod pkgr;
+pub mod ext;
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(default)]
-pub struct Manifest<P: Clone = Option<pkgr::PKGR>> {
+pub struct Manifest<E: Clone = Option<ext::Extension>> {
     pub package: package::Package,
     pub dependencies: HashMap<String, String>,
     pub fs: fs::FS,
     pub bin: Option<bin::Bin>,
     pub build: Option<build::Build>,
-    pub pkgr: P,
+    pub pkgr: E,
 }
 
 impl<P: Clone> Manifest<P> {
diff --git a/package.example.toml b/package.example.toml
index c99108d..eb5618d 100644
--- a/package.example.toml
+++ b/package.example.toml
@@ -84,16 +84,16 @@ install_script = "scripts/install" # relative to pkg
 [build.dependencies]
 base = "latest,stable" # selected by default
 
-## pkgr.*
+## ext.*
 # packager is the official client but you may use other clients supporting the "pkgr v1 spec".
-# other clients may offer extra functionality this must be put under "pkgr.*"
-[pkgr]
+# other clients may offer extra functionality this must be put under "ext.*"
+[ext]
 
 ## pkgr.bootstrap
 # This section is used for bootpkg. An edition of packager that bootstraps the full version.
 # This exists so that packager is easy to install on anything!
 # and only 1 release channel for pkgr
-[pkgr.bootstrap]
+[ext.bootstrap]
 ## any non-zero = installed
 check_installed_commands = [
     "sh scripts/check_installed"