diff --git a/.gitignore b/.gitignore
index 7894b3d..9fcf7b6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,9 +1,9 @@
 *.pyc
 .directory
 __pycache__
-#configs.yaml
+configs.yaml
 test/
 #import/
 !/sandbox/.placeholder
 sandbox/*
 
diff --git a/texla/Renderers/plugins/math_check_online.py b/texla/Renderers/plugins/math_check_online.py
index d3d18f5..3e3777a 100644
--- a/texla/Renderers/plugins/math_check_online.py
+++ b/texla/Renderers/plugins/math_check_online.py
@@ -1,109 +1,110 @@
 import requests
 import logging
 from multiprocessing import Process, Pool, Queue
 from os import path
 
 
 def request_formula(tex):
     url_check = 'http://restbase.wikitolearn.org/pool.wikitolearn.org/v1/media/math/check/tex'
+#    url_check = 'http://restbase.tuttorotto.biz/pool.tuttorotto.biz/v1/media/math/check/tex'
     header = {
         'Accept': 'application/json',
         'Content-Type': 'application/x-www-form-urlencoded'
     }
     payload = {'q': tex}
     r = requests.post(url_check, data=payload, headers=header)
     if r.status_code == 200:
         return True
     else:
         return False
 
 
 formulas = []
 bad_formulas = Queue()
 
 
 def save_math(block):
     tex = block.attributes["content"]
     #saving the formula only if it's longer than 10
     if len(tex) > 10:
         logging.debug("Plugin math_check_online @ saving formula {}".format(
             tex))
         formulas.append((tex, block.id))
 
 
 def save_math_align(block):
     tex = "\\begin{align}" + block.attributes["content"] + "\\end{align}"
     #saving the formula only if it's longer than 10
     if len(tex) > 50:
         logging.debug("Plugin math_check_online @ saving formula {}".format(
             tex))
         formulas.append((tex, block.id))
 
 
 def check_math(formula):
     ok = request_formula(formula[0])
     if ok:
         logging.info("Plugin math_check_online @ formula {}, block_id: {}".
                      format("OK", formula[1]))
     else:
         logging.error("Plugin math_check_online @ formula {}, block_id: {}".
                       format("BAD", formula[1]))
         bad_formulas.put(formula)
 
 
 def start_pool():
     pool = Pool(processes=6)
     logging.info("Plugin math_check_online @ total formulas to check: {}".
                  format(len(formulas)))
     pool.map(check_math, formulas)
     #saving results
     logging.info("GOOD FORMULAS: {}  --- BAD FORMULAS: {}".format(
         len(formulas)-bad_formulas.qsize(), bad_formulas.qsize()))
     log_matherrors_file_path = path.relpath("sandbox/math_errors.txt")
     with open(log_matherrors_file_path, "w") as f:
         f.write("Math Errors Tree Log: \n")
         f.write("---------------------\n")
         ids = []
         while not bad_formulas.empty():
             form = bad_formulas.get()
             ids.append(form[1])
         output = tree_explorer.print_tree_to_blocks(ids)
         f.write(output + "\n\n")
 
 
 def start_check():
     p = Process(target=start_pool)
     p.start()
 
 
 plugin_render_hooks = {
     'displaymath': {
         "pre": save_math
     },
     'inlinemath': {
         "pre": save_math
     },
     'ensuremath': {
         "pre": save_math
     },
     'equation': {
         "pre": save_math
     },
     'eqnarray': {
         "pre": save_math_align
     },
     'multline': {
         "pre": save_math_align
     },
     'align': {
         "pre": save_math_align
     },
     'alignat': {
         "pre": save_math_align
     }
 }
 
 plugin_lifecycle_hooks = {"end": start_check}
 
 needs_tree_explorer = True
 tree_explorer = None