Fix link to plugin specific actions in documentation

Change-Id: I89f381718b7a566c19611f22cf42708fddc7fa03

src/main/resources/Documentation/config-rulebase-common.md

diff --git a/src/main/resources/Documentation/config-rulebase-common.md b/src/main/resources/Documentation/config-rulebase-common.md
index ab25dd3..fb053c4 100644
--- a/src/main/resources/Documentation/config-rulebase-common.md
+++ b/src/main/resources/Documentation/config-rulebase-common.md
@@ -504,7 +504,7 @@
 
 [Further actions][further-actions] may be provided by @PLUGIN@.
 
-[further-actions]: config-rulebase-plugin-actions.md
+[further-actions]: config-rulebase-plugin-actions.html
 
 [action-add-comment]: #action-add-comment
 ### <a name="action-add-comment">Action: add-comment</a>