Update README.md

Author: gasparez15

README.md

@@ -31,6 +31,6 @@ e.g: Update.threads=2
  	You can disable all of these by settings the runlevel of your LD instance to Bulkload. 
 	The path from the GUI is: Administration, System, General, tab Run level, then select the Bulkload option from the drop-down and click Save.
 4. You can use 2 or more PC to load into the same LD system
-5. You can use the benchmark tool to test performance of a LogicalDOC cluster.
+5. You can use the benchmark tool to test the performance of a LogicalDOC cluster.
  	You can do this in 2 ways, either by editing the load configuration file and specifying in the **session.url** property a list with the addresses of the node URLs of the LogicalDOC cluster, or by using 2 loading nodes (PC) where each node that runs the benchmark loads on a different node of the LogicalDOC cluster.