Added pattern headings

Author: darrelmiller

versions/3.0.md

@@ -1862,6 +1862,7 @@ As opposed to _dynamic_ links (links provided **in** the response payload), the
 
 For computing links, and providing instructions to execute them, [variable substitution](#variableSubstitution) is used for accessing values in a response and using them as values while invoking the linked operation.
 
+##### Patterned Fields
 Field Pattern | Type | Description
 ---|:---:|---
 <a name="linkName"></a> {name} | [Link Object](#linkObject) <span>&#124;</span> [Reference Object](#referenceObject) | A short name for the link, following the naming constraints of the names for [Component Objects](#componentsObject).
@@ -2271,6 +2272,7 @@ Many operations require parameters to be passed, and these MAY be dynamic depend
 To specify parameters required by the operation, we can use a **Link Parameters Object**.
 This object contains parameter names along with static or dynamic values:
 
+##### Patterned Fields
 Field Pattern | Type | Description
 ---|:---:|---
 <a name="linkParameterName"></a> {name} | Any <span>&#124;</span> [{expression}](#variableSubstitution) | A constant value or expression to be evaluated and passed to the linked operation.