Missing markdown

Author: moebrowne

README.md

@@ -170,7 +170,7 @@ The order the arguments are passed on the command line makes a difference
 
 * Calling `my-script.sh -f first -f last` will cause `argValue "f"` to return the value `last`
 * Calling `my-script.sh -g 345 -g` will mean cause `argValue "g"` to return nothing
-* Calling `my-script.sh --size 512 --size=1024` will mean cause `argValue "size"` to return 1024
+* Calling `my-script.sh --size 512 --size=1024` will mean cause `argValue "size"` to return `1024`
 
 ## Debug Mode