UNOMI-376 update name of manual to unomi-manual (#196)

diff --git a/kar/src/main/feature/feature.xml b/kar/src/main/feature/feature.xml
index 451d9fb..d50b209 100644
--- a/kar/src/main/feature/feature.xml
+++ b/kar/src/main/feature/feature.xml
@@ -87,7 +87,7 @@
 
     <feature name="unomi-documentation" description="Documentation of Unomi in HTML" version="${project.version}">
         <feature>war</feature>
-        <bundle>mvn:org.apache.unomi/manual/${project.version}</bundle>
+        <bundle>mvn:org.apache.unomi/unomi-manual/${project.version}</bundle>
     </feature>
 
     <feature name="unomi-rest-ui" description="Enables Swagger UI to browse the REST API" version="${project.version}">