diff --git a/README.md b/README.md
index f6c07c9c74bb123f23e57d9b00f7813cc52aa036..fb08eb12492932854407222e2d703bf8c9452540 100644
--- a/README.md
+++ b/README.md
@@ -1,15 +1,19 @@
-# `rules_placeholder`
+# `rules_tar`
 
-> A Bazel ruleset for placeholder.
+> A Bazel ruleset around creating tape archives (`tar`)
 
 ## Getting Started
 
 Add the following to `MODULE.bazel`:
 
 ```py
-bazel_dep(name="rules_placeholder", version="0.0.0")
+bazel_dep(name="rules_tar", version="0.0.0")
 ```
 
+# Hermeticity
+
+The module is entirely hermetic, using `@ape//:tar` as the default toolchain.
+
 ## Release Registry
 
 The project publishes the relevant files to GitLab releases for use when a version has not been added to the upstream [BCR][bcr].
@@ -21,7 +25,7 @@ Add the following to `.bazelrc`:
 ```
 # `bzlmod` pre-release registries
 common --registry https://bcr.bazel.build
-common --registry=https://gitlab.arm.com/bazel/rules_placeholder/-/releases/v1.0.0-alpha.1/downloads
+common --registry=https://gitlab.arm.com/bazel/rules_tar/-/releases/v1.0.0-alpha.1/downloads
 ```
 
 Then a GitLab release version can be used in `bazel_dep`.