diff --git a/languages/pico-8-cart/injections.scm b/languages/pico-8-cart/injections.scm
index ad5251d..4d5d212 100644
--- a/languages/pico-8-cart/injections.scm
+++ b/languages/pico-8-cart/injections.scm
@@ -1,5 +1,10 @@
 ; Hand the body of the __lua__ section to the Pico-8 Lua grammar so the
 ; dialect-aware parser parses it (compound-assignment statements, the `?`
 ; print shorthand, single-line `if (cond) stmt`, peek prefixes, etc.).
+;
+; The injection.language string must match the target language's `name`
+; field in its config.toml. Zed case-folds via UniCase but does not
+; treat hyphens as equivalent to spaces, so this has to be the literal
+; "Pico-8 Lua" ( with a space ).
 ((lua_content) @injection.content
- (#set! injection.language "pico-8-lua"))
+ (#set! injection.language "Pico-8 Lua"))