Update draft-kleidl-digest-fields-problem-types.md

Author: Acconut

draft-kleidl-digest-fields-problem-types.md

@@ -80,8 +80,8 @@ interpreted as described in {{PROBLEM}}.
 
 This section defines the "https://iana.org/assignments/http-problem-types#unsupported-hashing-algorithm" problem type.
 A server MAY use this problem type if it wants to communicate to the client that
-one of the hashing algorithms referenced in the integrity or integrity preference fields present in the request,
-is supported.
+one of the hashing algorithms referenced in the integrity or integrity preference fields present in the request
+is not supported.
 
 For this problem type, the `unsupported-algorithm` is defined as the only extension member.
 It SHOULD be populated in a response using this problem type, with its value being the algorithm key of the unsupported algorithm from the request.