* lib/xmlrpc/client.rb: [DOC] Fix typo

s/explicitely/explicitly/
[ci skip]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44061 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/xmlrpc/client.rb

@@ -476,7 +476,7 @@ module XMLRPC # :nodoc:
         }
       else
         # reuse the HTTP object for each call => connection alive is possible
-        # we must start connection explicitely first time so that http.request
+        # we must start connection explicitly first time so that http.request
         # does not assume that we don't want keepalive
         @http.start if not @http.started?