Consistent wording.

Co-authored-by: Ralf Handl <[email protected]>

Author: handrews

versions/3.0.4.md

@@ -126,7 +126,7 @@ An OpenAPI document that does _not_ reference any other documents is known as a
 A single-document description is therefore _both_ syntactically complete _and_ self-contained.
 In a multi-document description, the document containing the OpenAPI Object where parsing begins for a specific API's description is known as that API's **entry document**.
 
-It is RECOMMENDED that the entry OpenAPI document be named: `openapi.json` or `openapi.yaml`.
+It is RECOMMENDED that the entry document be named: `openapi.json` or `openapi.yaml`.
 
 #### Structural Interoperability