fix(annotations): correct @Parser parameter description

docs/annotations/index.md

@@ -222,7 +222,12 @@ annotation.
 If no value is passed to the annotation then the parser will become the default parser for the method return type.
 You may also pass a suggestion provider name to the annotation to bind the parser to a specific suggestion provider.
 
-The signature of the method must be exactly:
+The parameter list is flexible (see the
+{{ javadoc("https://javadoc.io/doc/org.incendo/cloud-annotations/latest/org/incendo/cloud/annotations/parser/Parser.html", "JavaDoc", False) }}
+) but the parser _must_ return the type you wish to parse. The parser will be
+registered to the [parser registry](../core/index.md#parser-registry).
+
+Example:
 
 ```java
 // Named parser: @Parser("parserName")

main.py

@@ -32,14 +32,16 @@ def dependency_listing(name: str, version: str = None) -> str:
     """.format(name=name, version=env.variables.version[version])
 
     @env.macro
-    def javadoc(link: str, title: str = None) -> str:
+    def javadoc(link: str, title: str = None, code: bool = True) -> str:
         if title is None:
             split = link.split("/")
             title = split[len(split) - 1].replace(".html", "")
         if link.startswith("<"):
             link = link[1: len(link) - 1]
+        if code:
+            title = f'`{title}`'
 
-        return '[`{title}`](<{link}> "Click to open the JavaDoc")'.format(link=link, title=title)
+        return '[{title}](<{link}> "Click to open the JavaDoc")'.format(link=link, title=title)
 
     @env.macro
     def snippet(path: str, section: str = "snippet", title: str = None, indent = 0) -> str: