Finish docs for URI::FTP by @darkhelmet [fix GH-274]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40202 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/uri/ftp.rb

@@ -165,7 +165,7 @@ module URI
     end
     private :check_typecode
 
-    # private setter for the typecode +v+
+    # Private setter for the typecode +v+
     #
     # see also URI::FTP.typecode=
     #
@@ -234,11 +234,13 @@ module URI
       return @path.sub(/^\//,'').sub(/^%2F/,'/')
     end
 
+    # Private setter for the path of the URI::FTP
     def set_path(v)
       super("/" + v.sub(/^\//, "%2F"))
     end
     protected :set_path
 
+    # Returns a String representation of the URI::FTP
     def to_s
       save_path = nil
       if @typecode