Added documentation updates on static matchers; fixes gh-891

docs/src/main/asciidoc/_project-features-contract.adoc

@@ -808,6 +808,8 @@ See the https://github.com/spring-cloud/spring-cloud-contract/wiki/Spring-Cloud-
 
 For YAML, you can use only the `matchers` section.
 
+IMPORTANT: Entries inside the `matchers` must reference existing elements of the payload. For more information check this https://github.com/spring-cloud/spring-cloud-contract/issues/722[issue].
+
 [[contract-dsl-dynamic-properties-in-body]]
 ==== Dynamic Properties inside the Body
 

docs/src/main/asciidoc/_project-features-flows.adoc

@@ -413,7 +413,7 @@ Contract.make {
             header('''Content-Type''', '''application/json;charset=UTF-8''')
             header('''Content-Length''', '''3''')
         }
-        testMatchers {
+        bodyMatchers {
             jsonPath('$[?(@.foo >= 20)]', byType())
         }
     }