Fix indention in config documentation

Change-Id: Ib9b7fe6847a2084436e90da4efb0cfda0518e370
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>
diff --git a/src/main/resources/Documentation/config.md b/src/main/resources/Documentation/config.md
index f79ac88..ff65add 100644
--- a/src/main/resources/Documentation/config.md
+++ b/src/main/resources/Documentation/config.md
@@ -19,8 +19,8 @@
 <a id="group">
 `plugin.@PLUGIN@.group`
 :	A group to which newly created service users should be
-    automatically added. Multiple groups can be specified by having
-    multiple `plugin.@PLUGIN@.group` entries.
+	automatically added. Multiple groups can be specified by having
+	multiple `plugin.@PLUGIN@.group` entries.
 
 <a id="infoMessage">
 `plugin.@PLUGIN@.infoMessage`