Fix the documentation issues for overview

Change-Id: Ia2b9713508900e9078d56e3aff7b203850d5fb55
Jira:VNFSDK-115
Signed-off-by: Murali <murali.p@huawei.com>
diff --git a/docs/files/marketplace-overview.rst b/docs/files/marketplace-overview.rst
index a65e5b1..0924b8b 100644
--- a/docs/files/marketplace-overview.rst
+++ b/docs/files/marketplace-overview.rst
@@ -5,11 +5,12 @@
 
 |image0|
 
-.. |image0| image:: vnfsdk-marketplace.png
+.. |image0| image:: files/vnfsdk-marketplace.png
    :height: 600px
    :width: 800px
 
 1.  **VNF Repository** is a reference repository for VNFs.
+
     a. It provides functionalities such as:
         i. Upload/Re-upload VNF
         ii. Download VNF
@@ -17,6 +18,7 @@
         iv. Delete VNF
     b. It also provides an intuitive Graphical user interface to perform above activities.
 
+
 2. Along with these, VNF-SDK also provides hooks to call other tools or libraries including **Validation and Function Tests**.
 
     a. Validation verifies the package structure, mandatory files and their format. Currently, the tool performs basic validation to support SDC. In a future release, it will also ensure integrity and authenticity of the package as described by VNF Requirements.