Apply suggestions from code review

Co-authored-by: Stefaan Lippens <[email protected]>

extensions/remote-udp/README.md

@@ -16,7 +16,7 @@ The openEO API defines the `namespace` property in a process node of a process g
 > * `backend` [...]
 > * `user` [...]
 
-This makes it possible that this extension adds additional allowed values to the `namespace` property.
+This makes it possible for this extension to add additional allowed values to the `namespace` property.
 
 ## Specification
 
@@ -31,7 +31,7 @@ If a URL is provided for the `namespace` property, the `id` property of the proc
 
 Compatible means in this context that the requests and responses must comply to the openEO API specification with the following exceptions:
 
-- The `Authorization` header is not required and will usually not be sent.
+- The `Authorization` header MUST NOT not be sent.
 - Lists of processes MUST NOT paginate and the full process description MUST be provided for each process (i.e., the recommendation to omit large properties such as `process_graph` doesn't apply).
 
 ### Client Considerations