445707: update maven repository url in the documentation

Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=445707

Change-Id: Id4c692be0fa37ffa7cd5ad6840d394cdcb6cbad1
Signed-off-by: Jeremie Bresson <dev@jmini.fr>
diff --git a/org.eclipse.mylyn.wikitext.help.ui/help/Mylyn WikiText User Guide.textile b/org.eclipse.mylyn.wikitext.help.ui/help/Mylyn WikiText User Guide.textile
index ae24793..815e7b0 100644
--- a/org.eclipse.mylyn.wikitext.help.ui/help/Mylyn WikiText User Guide.textile
+++ b/org.eclipse.mylyn.wikitext.help.ui/help/Mylyn WikiText User Guide.textile
@@ -196,7 +196,7 @@
 
 A Maven plug-in is provided that can generate HTML and Eclipse Help content from wiki markup.  The plug-in scans a source folder and generates HTML and a corresponding Eclipse help table of contents file for each wiki markup source file.  Non-wiki source files (such as CSS and images) are copied as-is to the output folder.
 
-The Mylyn WikiText plug-in can be included by adding the following Maven repository as a plug-in repository to your Maven configuration: @https://repo.eclipse.org/content/repositories/mylyn-releases/@
+The Mylyn WikiText plug-in can be included by adding the following Maven repository as a plug-in repository to your Maven configuration: @https://repo.eclipse.org/content/repositories/mylyn-snapshots/@. Please note that only the SNAPSHOT versions are published to this repository. For the moment, RELEASE artifacts are not published.
 
 To add the Maven repository via your pom, use the following syntax:
 
@@ -204,7 +204,10 @@
 	<pluginRepositories>
 		<pluginRepository>
 			<id>eclipse.org-mylyn</id>
-			<url>https://repo.eclipse.org/content/repositories/mylyn-releases/</url>
+			<url>https://repo.eclipse.org/content/repositories/mylyn-snapshots/</url>
+			<snapshots>
+				<enabled>true</enabled>
+			</snapshots>
 		</pluginRepository>
 	</pluginRepositories>