Update README.md

Author: genescf

README.md

@@ -37,5 +37,5 @@ GeneSCF is a command line based and powerful tool to perform gene enrichment ana
 - Enrichment analysis for Multiple gene list using Multiple source database (GO,KEGG, REACTOME and NCG) in single run.
 - Download complete GO terms/Pathways/Functions with associated genes as simple table format in a plain text file (Check "Two step process" below in "GeneSCF USAGE" section).
 
-<center> <img src="http://genescf.kandurilab.org/pics/workflow.png" width="250" height="350"> </center>
+<p align="center"> <img src="http://genescf.kandurilab.org/pics/workflow.png" width="250" height="350"> </p>