fix typo

rhodecode/i18n/how_to

@@ -1,67 +1,67 b''
 ##########################
 # to create new language #
 ##########################
 
 Translations are available on transifex under::
 
     https://www.transifex.com/projects/p/RhodeCode/
 
 Preferred method is to register on transifex and request new language translation.
 
 manual creation of new language
 +++++++++++++++++++++++++++++++
  
 Dowload sources of RhodeCode. Run::
 
     python setup.py develop
 
 To prepare the enviroment
 
 
 Make sure all translation strings are extracted by running::
 
     python setup.py extract_messages
 
 Create new language by executing following command::
     python setup.py init_catalog -l <new_language_code>
 
 This creates a new language under directory rhodecode/i18n/<new_language_code>
 Be sure to update transifex mapping under .tx/config for new language
 
 Edit the new PO file located in LC_MESSAGES directory with poedit or your
 favorite PO files editor. Do translations and at the end verify the translation
 file for any errors. This can be done by executing::
 
     msgfmt -f -c rhodecode/i18n/<new_language_code>/LC_MESSAGES/<updated_file.po>
 
 finally compile the translations::
 
     python setup.py compile_catalog -l <new_language_code>
 
 ##########################
 # to update translations #
 ##########################
 
 Fetch latest version of strings for translation by running::
 
     python setup.py extract_messages
 
 Update PO file by doing::
 
-    python setup.py update_catalog -l pl<- to update the translations
+    python setup.py update_catalog -l <new_language_code><- to update the translations
 
 Edit the new updated po file. Repeat all steps after `init_catalog` step from
 new translation instructions
 
 
 ########################
 # testing translations #
 ########################
 
 Edit test.ini file and set lang attribute to::
 
     lang=<new_language_code>
 
 Run RhodeCode tests by executing::
 
     nosetests