diff --git a/src/mechanize.cr b/src/mechanize.cr
index 5d70bf5..c8ecbee 100644
--- a/src/mechanize.cr
+++ b/src/mechanize.cr
@@ -6,7 +6,7 @@ require "./mechanize/errors/*"
 
 # This class is main class of Mechanize.cr,
 # using this class' instance to start web interaction.
-# 
+#
 # now only supports GET, POST. other HTTP methods will be implemented soon...
 #
 # Examples:
@@ -15,16 +15,16 @@ require "./mechanize/errors/*"
 # # GET
 # agent = Mechanize.new
 # agent.get("http://example.com",
-#           params: {"foo" => "bar"},
-#           headers: HTTP::Headers{"Foo" => "Bar"})
+#   params: {"foo" => "bar"},
+#   headers: HTTP::Headers{"Foo" => "Bar"})
 # ```
-# 
+#
 # ```
 # # POST
 # # sending post request whose post body is "foo=bar"
 # agent = Mechanize.new
 # agent.post("http://example.com",
-#           query: {"foo" => "bar"})
+#   query: {"foo" => "bar"})
 # ```
 class Mechanize
   VERSION = "0.2.0"