diff --git a/ChangeLog b/ChangeLog
index 00308e018c..8dd359c963 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+Sat Mar 27 01:47:09 2004  NAKAMURA, Hiroshi  <nakahiro@sarion.co.jp>
+
+	* lib/logger.rb: trim tail space of each line.  no user visible change.
+
+	* lib/rss/dublincore.rb: fixed class definition mismatch.
+
+	* sample/openssl/gen_csr.rb: fixed wrong usage text.
+
 Thu Mar 25 23:15:24 2004  Dave Thomas  <dave@pragprog.com>
 
 	* lib/rdoc/ri/ri_options.rb (RI::Options::show_version): 
diff --git a/lib/logger.rb b/lib/logger.rb
index 682ab3c457..8cccee58b8 100644
--- a/lib/logger.rb
+++ b/lib/logger.rb
@@ -167,7 +167,7 @@
 #   I, [Wed Mar 03 02:34:24 JST 1999 895701 #19074]  INFO -- Main: info.
 #
 # You may change the date and time format in this manner:
-# 
+#
 #   logger.datetime_format = "%Y-%m-%d %H:%M:%S"
 #         # e.g. "2004-01-03 00:54:26"
 #
@@ -259,7 +259,7 @@ class Logger
 
   #
   # === Synopsis
-  # 
+  #
   #   Logger#add(severity, message = nil, progname = nil) { ... }
   #
   # === Args
@@ -355,18 +355,18 @@ class Logger
   #
   # === Examples
   #
-  #   logger.info("MainApp") { "Received connection from #{ip}" } 
+  #   logger.info("MainApp") { "Received connection from #{ip}" }
   #   # ...
   #   logger.info "Waiting for input from user"
   #   # ...
   #   logger.info { "User typed #{input}" }
   #
   # You'll probably stick to the second form above, unless you want to provide a
-  # program name (which you can do with <tt>Logger#progname=</tt> as well). 
+  # program name (which you can do with <tt>Logger#progname=</tt> as well).
   #
   # === Return
   #
-  # See #add. 
+  # See #add.
   #
   def info(progname = nil, &block)
     add(INFO, nil, progname, &block)
@@ -487,7 +487,7 @@ private
     # IO object).  The beginning of each file created by this class is tagged
     # with a header message.
     #
-    # This class is unlikely to be used directly; it is a backend for Logger. 
+    # This class is unlikely to be used directly; it is a backend for Logger.
     #
     def initialize(log = nil, opt = {})
       @dev = @filename = @shift_age = @shift_size = nil
@@ -517,7 +517,7 @@ private
    	end
       end
 
-      @dev.write(message) 
+      @dev.write(message)
     end
 
     #
diff --git a/lib/rss/dublincore.rb b/lib/rss/dublincore.rb
index dcf8e46c65..06cb73ec97 100644
--- a/lib/rss/dublincore.rb
+++ b/lib/rss/dublincore.rb
@@ -46,11 +46,11 @@ module RSS
 	# For backward compatibility
 	DublincoreModel = DublinCoreModel
 
-	class RDF
-		class Channel; include DublinCoreModel; end
-		class Image; include DublinCoreModel; end
-		class Item; include DublinCoreModel; end
-		class Textinput; include DublinCoreModel; end
+	class RDF < Element
+		class Channel < Element; include DublinCoreModel; end
+		class Image < Element; include DublinCoreModel; end
+		class Item < Element; include DublinCoreModel; end
+		class Textinput < Element; include DublinCoreModel; end
 	end
 
 	prefix_size = DC_PREFIX.size + 1
diff --git a/sample/openssl/gen_csr.rb b/sample/openssl/gen_csr.rb
index 7c7f559995..d3da5741bc 100644
--- a/sample/openssl/gen_csr.rb
+++ b/sample/openssl/gen_csr.rb
@@ -8,7 +8,7 @@ include OpenSSL
 def usage
   myname = File::basename($0)
   $stderr.puts <<EOS
-Usage: #{myname} name [keypair_file]
+Usage: #{myname} [--key keypair_file] name
   name ... ex. /C=JP/O=RRR/OU=CA/CN=NaHi/emailAddress=nahi@example.org
 EOS
   exit