diff --git a/docs/glossary.md b/docs/glossary.md
index d08c4d4..b0dd7b5 100644
--- a/docs/glossary.md
+++ b/docs/glossary.md
@@ -39,6 +39,11 @@ translating; propose changes here (not ad-hoc in the XML).
   form; decline it naturally in context (*na Drevenom kozube*, *z Temného tŕnia*,
   *do Krehkej dutiny*). Keep the **stem/spelling** from this table so
   search-and-replace stays reliable. **Nomai** is the one exception — see below.
+- **Brand / title names stay in English (verbatim):** the game title **Outer
+  Wilds**, the space program **Outer Wilds Ventures**, and "the Outer Wilds" on
+  the *Planetary Chart* poster. They're the actual named brand in the game (like
+  a company name — you wouldn't translate "SpaceX"). Inflect the *surrounding*
+  Slovak, not the name: *v hre Outer Wilds*, *podporuješ Outer Wilds Ventures*.
 - **Character names are kept in English** (they're geology terms — Hornfels,
   Slate, Gabbro, Riebeck, Feldspar, Chert, Esker, Hal, Gossan, Marl, Tuff,
   Tephra, Galena, Moraine, Rutile, Spinel, Mica, Porphy, Arkose…). Decline