fix spelling

Author: Mr-Leshiy

docs/src/architecture/08_concepts/signed_object/cddl/signed_object_meta.cddl

@@ -7,8 +7,8 @@ signed_object_fields = {
   "ver" => UUID, ; UUID v7
 
   1 => -8, ; "alg": EdDSA
-  3 => tstr / int, ; "content type"
-  ? "content encoding" => tstr / int, ; payload content encoding
+  3 => text / int, ; "content type"
+  ? "content encoding" => text / int, ; payload content encoding
 
   * metadata-key => metadata-value
 }

docs/src/architecture/08_concepts/signed_object/index.md

@@ -121,15 +121,15 @@ Only `ed25119` considered at this moment as the only option to be supported for
 #### `content type`
 
 This is an original [COSE] header field,
-which indicates the `content type` of the [content](#signed-object-content) ([COSE] `pyaload`) data.
+which indicates the `content type` of the [content](#signed-object-content) ([COSE] `payload`) data.
 
 #### `content encoding` (optional)
 
 This field is used to indicate the content encodings algorithm of the [content](#signed-object-content) data.
 
 ### Signed Object content
 
-The signed object content data is encoded (and could be additionaly compressed,
+The signed object content data is encoded (and could be additionally compressed,
 read [`content encoding`](#content-encoding-optional)) as [COSE] `payload`.
 
 ### [COSE] signature protected header