Minor editorial updates (#195)

* Update REQ_conformance.adoc

added missing space for correct formatting

* Update clause_7_normative_text.adoc

"un-bold" optional in link properties table for consistency and better readability

standard/requirements/core/REQ_conformance.adoc

@@ -3,7 +3,7 @@
 |===
 ^|*Requirement {counter:req-id}* |*/req/core/conformance*
 ^|A |A WCMP record SHALL provide information on conformance via the OARec record `+conformsTo+` property.
-^|B |The`+conformsTo+` property SHALL advertise conformance to WCMP.
+^|B |The `+conformsTo+` property SHALL advertise conformance to WCMP.
 
 |===
 

standard/sections/clause_7_normative_text.adoc

@@ -803,33 +803,33 @@ The table below provides an overview of the properties of a link object.
 |The link destination or target, or URL
 
 |``rel``
-|**optional**
+|optional
 |The relationship that the link bears in the context of the WCMP record.  This is a controlled vocabulary defined
  by IANA link relationsfootnote:[https://www.iana.org/assignments/link-relations/link-relations.xhtml] or WCMP
  defined extensionsfootnote:[https://codes.wmo.int/wis/link-type] (see <<_link_relation_selection>>)
 
 |``type``
-|**optional**
+|optional
 |The media (or MIME) type of the format of the link
 
 |``hreflang``
-|**optional**
+|optional
 |The language of the content in the link
 
 |``title``
-|**optional**
+|optional
 |A human-readable name for the link (can be used for display on search / discovery web portals)
 
 |``channel``
 |**conditional**
 |For data made available via MQTT, the topic to which a user may subscribe to for notifications and access
 
 |``security``
-|**optional**
+|optional
 |For access controlled data, a description of the access control mechanism applied (see <<_access_control>>)
 
 |``distribution``
-|**optional**
+|optional
 |Value added information about the link to further assist the user (additional document, typical file size, etc.) (see <<_distribution_information>>)
 
 |===