fix usage example

Author: Chris Cooper

README.md

@@ -8,7 +8,7 @@ Get it: `go get -u github.com/alistanis/cf_parameter_generator ./...`
 Usage
 
     cf_parameter_generator --help
-    Usage of cf_parameter_generator:
+    sage of cf_parameter_generator:
       -f string
         	The file to read from to generate parameters.
       -inyaml
@@ -24,6 +24,7 @@ Usage
       -r	Removes old entries from parameters found in old parameters files.
       -spaces int
         	The number of spaces used to indent the file if not generating minified output. (default 2)
+      -v	Places verbose output in the ParameterValue field to be replaced.
 
 Printing output to command line: