diff --git a/bin/bordle b/bin/bordle
deleted file mode 100755
index 3aed7c5..0000000
Binary files a/bin/bordle and /dev/null differ
diff --git a/src/dictionary.cr b/src/dictionary.cr
index 75ffb26..1c7d293 100644
--- a/src/dictionary.cr
+++ b/src/dictionary.cr
@@ -1,32 +1,33 @@
-
-class Bordle 
+class Bordle
   class Dictionary
-    DICTIONARY_FILE = "/usr/share/dict/french"
+    DICTIONARY_PATH = Path.new("/usr/share/dict/")
 
     property length : UInt8
     property data : Array(String)
+    property language : String = "french"
 
     def initialize(length : UInt8)
       @length = length
       @data = [] of String
       load_data
-
     end
 
     def load_data
+      dictionary_file = DICTIONARY_PATH / @language
       # use french dictionary from wfrench package
-      if ! File.exists? DICTIONARY_FILE
-        STDERR.puts "ERROR: dictionary file missing! (#{DICTIONARY_FILE})"
-        STDERR.puts "       Please install then wfrench package on your system"
+      if !File.exists? dictionary_file
+        STDERR.puts "ERROR: dictionary file missing! (#{dictionary_file})"
+        STDERR.puts "       Please install then w#{@language} package on your system"
         exit 1
       end
 
-      lines = File.read_lines(DICTIONARY_FILE)
-      @data = 
+      lines = File.read_lines(dictionary_file)
+      @data =
         lines
-        .select {|word| word.size == @length }
-        .map { |word| word.tr( TR_DIACRITICS, TR_ASCII ) }
-      end
+          .select { |word| word.size == @length }
+          .map { |word| word.tr(TR_DIACRITICS, TR_ASCII) }
+    end
+
     def includes?(word)
       @data.includes? word
     end
diff --git a/src/game.cr b/src/game.cr
index fc6f56c..1581b72 100644
--- a/src/game.cr
+++ b/src/game.cr
@@ -1,11 +1,10 @@
-
 require "colorize"
 
 require "./types"
 require "./dictionary"
 require "./target_word"
 
-class Bordle 
+class Bordle
   class Game
     def initialize
       @length = 5_u8
@@ -17,10 +16,10 @@ class Bordle
       printf("#{try}. ")
       diff.each do |ls|
         colors = case ls[1]
-                 when Score::NotOk then {:white, :black}
+                 when Score::NotOk      then {:white, :black}
                  when Score::WrongPlace then {:white, :yellow}
                  when Score::RightPlace then {:white, :green}
-                 else {:white, :black}
+                 else                        {:white, :black}
                  end
         str = ("%s" % ls[0]).colorize.fore(colors[0]).back(colors[1])
         printf("%s", str)
@@ -37,16 +36,30 @@ class Bordle
         word = "" if word.nil?
         word.tr(TR_DIACRITICS, TR_ASCII).downcase
 
+        error = [] of String
+        error << "language" if !@dict.includes? word
+        error << "length" if word.size != @length
         break if word.size == @length && @dict.includes? word
         printf("\x1B[A\x1B[2K")
+        puts "-- #{word} : invalid #{error.join(" and ")} --"
       end
       word
     end
 
     def run
-      printf "   .....\n"
+      puts "-- BORDLE (#{@target.inspect}) --".colorize.fore(:blue)
+      puts <<-MARK
+      1. You win when you find the secret word.  
+      2. You have 5 attempts; you lose if you use them all.
+      3. The secret word is in #{@dict.language} and 5 characters long.
+      4. Language and length mistakes are not counted as attemps.
+      5. Diacritics (accents, etc.) are removed.
+      6. Use CTRL-C to exit.
+      MARK
+      puts ""
+      puts "   ....."
       try = 0
-      while true 
+      while true
         try += 1
         word = input_word(try)
         printf("\x1B[A\x1B[2K")
@@ -57,7 +70,7 @@ class Bordle
           puts "-- GAGNÉ ! --".colorize.fore(:green)
           return
         end
-        if try >= 5 
+        if try >= 5
           puts "-- PERDU ! --".colorize.fore(:red)
           return
         end
@@ -65,4 +78,3 @@ class Bordle
     end
   end
 end
-
diff --git a/src/main.cr b/src/main.cr
index 9406659..6cde94e 100644
--- a/src/main.cr
+++ b/src/main.cr
@@ -1,14 +1,12 @@
-
 require "option_parser"
 
 require "./game"
 
 class Bordle
   class BordleCli
-
     property options : String?
 
-    def initialize()
+    def initialize
       @options = nil
     end
 
@@ -17,20 +15,18 @@ class Bordle
     end
 
     # FIXME: add --length LEN option (length of words)
-    # FIXME: add --lang LANG option (choose dictionnary)
+    # FIXME: add --language LANG option (choose dictionnary)
     # FIXME: add --tries TRIES option (how many tries are allowed)
-    # FIXME: add --with-letters (show used/unused letters) 
+    # FIXME: add --with-letters (show used/unused letters)
     def self.run(args)
       app = BordleCli.new
       options = BordleCli.parse_options(args)
       app.options = options
 
       game = Game.new
-      game.run()
-
+      game.run
     end
   end
 end
 
 Bordle::BordleCli.run(ARGV)
-
diff --git a/src/target_word.cr b/src/target_word.cr
index 0c121aa..4d5d348 100644
--- a/src/target_word.cr
+++ b/src/target_word.cr
@@ -1,5 +1,4 @@
-
-class Bordle 
+class Bordle
   class TargetWord
     def initialize(@target_word : String)
     end
@@ -8,7 +7,7 @@ class Bordle
       @target_word == word
     end
 
-    def to_h()
+    def to_h
       hash = Hash(Char, Array(Int32)).new
       @target_word.each_char_with_index do |char, index|
         hash[char] = [] of Int32 unless hash.has_key? char
@@ -22,30 +21,30 @@ class Bordle
       result = [] of LetterScore
 
       # REF =  r  a  t  e  s
-      # TEST=  c  e  r  e  t 
+      # TEST=  c  e  r  e  t
 
       word.each_char_with_index do |char, index|
-        if ! hash.has_key? char
+        if !hash.has_key? char
           result << {char, Score::NotOk}
           next
         end
 
         char_values = hash[char]
-        char_misplaced = char_values.select {|pos| @target_word[pos] != word[pos] }
-        char_wellplaced = char_values.select {|pos| @target_word[pos] == word[pos] }
+        char_misplaced = char_values.select { |pos| @target_word[pos] != word[pos] }
+        char_wellplaced = char_values.select { |pos| @target_word[pos] == word[pos] }
         # puts "values(#{char})  = #{char_values}"
         # puts "misplaced(#{char})  = #{char_misplaced}"
         # puts "wellplaced(#{char}) = #{char_wellplaced}"
 
         if char_wellplaced.includes? index
           result << {char, Score::RightPlace}
-          char_wellplaced.reject! {|pos| pos == index }
+          char_wellplaced.reject! { |pos| pos == index }
           hash[char] = char_misplaced + char_wellplaced
           hash.delete(char) if hash[char].empty?
           next
         end
 
-        if ! char_misplaced.empty?
+        if !char_misplaced.empty?
           result << {char, Score::WrongPlace}
           char_misplaced = char_misplaced.skip(1)
           hash[char] = char_misplaced + char_wellplaced
diff --git a/src/types.cr b/src/types.cr
index 3795c47..27b29f9 100644
--- a/src/types.cr
+++ b/src/types.cr
@@ -1,8 +1,6 @@
-
-class Bordle 
+class Bordle
   TR_DIACRITICS = "ÀÁÂÃÄÅàáâãäåĀāĂ㥹ÇçĆćĈĉĊċČčÐðĎďĐđÈÉÊËèéêëĒēĔĕĖėĘęĚěĜĝĞğĠġĢģĤĥĦħÌÍÎÏìíîïĨĩĪīĬĭĮįİıĴĵĶķĸĹĺĻļĽľĿŀŁłÑñŃńŅņŇňʼnŊŋÒÓÔÕÖØòóôõöøŌōŎŏŐőŔŕŖŗŘřŚśŜŝŞşŠšȘșſŢţŤťŦŧȚțÙÚÛÜùúûüŨũŪūŬŭŮůŰűŲųŴŵÝýÿŶŷŸŹźŻżŽž"
-  TR_ASCII = "AAAAAAaaaaaaAaAaAaCcCcCcCcCcDdDdDdEEEEeeeeEeEeEeEeEeGgGgGgGgHhHhIIIIiiiiIiIiIiIiIiJjKkkLlLlLlLlLlNnNnNnNnnNnOOOOOOooooooOoOoOoRrRrRrSsSsSsSsSssTtTtTtTtUUUUuuuuUuUuUuUuUuUuWwYyyYyYZzZzZz"
-
+  TR_ASCII      = "AAAAAAaaaaaaAaAaAaCcCcCcCcCcDdDdDdEEEEeeeeEeEeEeEeEeGgGgGgGgHhHhIIIIiiiiIiIiIiIiIiJjKkkLlLlLlLlLlNnNnNnNnnNnOOOOOOooooooOoOoOoRrRrRrSsSsSsSsSssTtTtTtTtUUUUuuuuUuUuUuUuUuUuWwYyyYyYZzZzZz"
 
   enum Score
     RightPlace = 0