diff --git a/README.md b/README.md
index c2067ee..34f887a 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ system.
 Sigil was initially financed by [NLnet](https://nlnet.nl/) and the
 [Privacy and Trust Enhancing technologies (PET) fund](https://nlnet.nl/PET/)
 under the name "Genodepkgs". The project halted in early 2021 due to
-overwhelming technical challenges but is still intermittenly updated.
+overwhelming technical challenges but is still intermittently updated.
 
 While it is unlikely that Sigil will ever manifest a viable OS, it does serve
 as a testing ground for post-UNIX packaging and system distribution concepts.
@@ -133,6 +133,10 @@ within the Genode source tree is an *explicit input hash*.
 nix build -L .#checks.x86_64-linux.«TEST_NAME».nodes.machine.config.genode.init.children.«CHILD_NAME».package
 ```
 
+## Pronunciation
+
+[![As read by Dan Castellaneta](./doc/sigil.opus)](./doc/sigil.opus)
+
 ## Legal
 
 This repository is published under MIT licensing consistent with Nixpkgs.
@@ -143,3 +147,7 @@ This repository is published under MIT licensing consistent with Nixpkgs.
 > included in Nixpkgs, which may be derivative works of the packages to
 > which they apply. The aforementioned artifacts are all covered by the
 > licenses of the respective packages.
+
+---
+
+[![NGI0PET](https://nlnet.nl/image/logos/NGI0PET_tag.svg)](https://nlnet.nl/PET/)
diff --git a/doc/sigil.opus b/doc/sigil.opus
new file mode 100644
index 0000000..0398b98
Binary files /dev/null and b/doc/sigil.opus differ