Update 3.0.4.md

Author: ralfhandl

versions/3.0.4.md

@@ -59,7 +59,7 @@ Some examples of possible media type definitions:
 The HTTP Status Codes are used to indicate the status of the executed operation.
 Status codes SHOULD be selected from the available status codes registered in the [IANA Status Code Registry](https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml).
 
-### HTTP and Case Sensitivity
+### Case Sensitivity
 
 As most field names and values in the OpenAPI Specification are case-sensitive, this document endeavors to call out any case-insensitive names and values.
 However, the case sensitivity of field names and values that map directly to HTTP concepts follow the case sensitivity rules of HTTP, even if this document does not make a note of every concept.