diff --git a/proposals/4302-fhir-resources.md b/proposals/4302-fhir-resources.md
index 0a9a739eb..411a77dc4 100644
--- a/proposals/4302-fhir-resources.md
+++ b/proposals/4302-fhir-resources.md
@@ -49,7 +49,7 @@ content block exists, as of writing.
 A new event type `m.fhir.resource` is introduced with the following properties in `content`:
 
 - `canonical_url` (string, required): The resource's [canonical URL], that is the globally unique
-  identifier defining its schema. MAY contain a version suffix separated by `|` as per the FHIR
+  identifier defining its base schema. MAY contain a version suffix separated by `|` as per the FHIR
   specification.
 - `m.fhir.resource` (object): The serialised JSON if it fits within the [64 KiB event size limit].
   Required if `m.file` is missing.