improve documentation of banDynamicVersions

fix wrong description of allowRanges
add JIRA link for allowRangesWithIdenticalBounds
clarify excludedScopes

enforcer-rules/src/site/apt/banDynamicVersions.apt.vm

@@ -38,19 +38,19 @@ Ban Dynamic Versions
 
   The following parameters are supported by this rule:
 
-  * <<allowSnapshots>> - if <<<true>>> dependencies with versions ending with <<<-SNAPSHOT>>> will not be banned.  Default is <<<false>>>.
+  * <<allowSnapshots>> - if <<<true>>> dependencies with versions ending with <<<-SNAPSHOT>>> will not be banned. Default is <<<false>>>.
 
-  * <<allowRelease>> - if <<<true>>> dependencies with version placeholder <<<RELEASE>>> will not be banned.  Default is <<<false>>>.
+  * <<allowRelease>> - if <<<true>>> dependencies with version placeholder <<<RELEASE>>> will not be banned. Default is <<<false>>>.
 
-  * <<allowLatest>> - if <<<true>>> dependencies with versions placeholder <<<LATEST>>> will not be banned.  Default is <<<false>>>.
+  * <<allowLatest>> - if <<<true>>> dependencies with versions placeholder <<<LATEST>>> will not be banned. Default is <<<false>>>.
 
-  * <<allowRanges>> - if <<<true>>> versions ending with <<<-SNAPSHOT>>> will not be banned.  Default is <<<false>>>.
+  * <<allowRanges>> - if <<<true>>> versions starting with either <<<[>>> or <<<(>>> will not be banned. Default is <<<false>>>.
 
-  * <<allowRangesWithIdenticalBounds>> - if <<<true>>> ranges having a range with same upper and lower bound (always inclusive) will not be banned (although they require resolving).
+  * <<allowRangesWithIdenticalBounds>> - if <<<true>>> ranges having a range with same upper and lower bound (always inclusive) will not be banned (although they require resolving in some Maven versions, {{{https://issues.apache.org/jira/browse/MNG-7561}MNG-7461}}).
 
-  * <<excludeOptionals>> - if <<<true>>> optional dependencies won't be checked.  Default is <<<false>>>.
+  * <<excludeOptionals>> - if <<<true>>> direct optional dependencies won't be checked. Default is <<<false>>>.
 
-  * <<excludedScopes>> - the list of scopes to exclude. By default no scopes are excluded.
+  * <<excludedScopes>> - the list of scopes to exclude from direct dependencies. By default no scopes are excluded. For transitive dependencies the regular Maven rules are applied.
 
   * <<ignores>> - a list of dependencies to ignore. The format is <<<groupId[:artifactId[:version[:type[:scope:[classifier]]]]]>>> where <<<artifactId>>>, <<<version>>>, <<<type>>>, <<<scope>>> and <<<classifier>>> are optional (but require all previous parts). Wildcards may be used to replace an entire or just parts of a section.
       Examples: