diff --git a/src/var/lib/tyto/program/wip.py b/src/var/lib/tyto/program/wip.py
index 696f48c..f9e4fb2 100644
--- a/src/var/lib/tyto/program/wip.py
+++ b/src/var/lib/tyto/program/wip.py
@@ -214,17 +214,21 @@ def wip_images():
     image_link = '<a class="%s" href="%s" title="%s">%s</a>'
     image_show = '<img class="%s" src="%s" alt="%s"%s />'
     
+    # Check each line
     for ln, line in enumerate(article_bottom.rsplit('\n')):
+      # match line
       if line.startswith('_image:'):
         values = line.rsplit(' ')
-        #print(values)
         
+        # search match tag in DB
         for i in range(1, uniq_images + 1):
           image = 'image_%s'%i
           target = width = height = False
           set_css = tyto.domain_css + '_image'
+          imag_html = ''
           
           if eval(image)[0] == values[0]:
+            # Get parameters from match line
             for value in values:
               if 't=' in value:
                 target = value.rsplit('=',1)[1]
@@ -249,10 +253,12 @@ def wip_images():
             else:
               style = ''
             
+            # set <img /> from parameter
             image_src = image_show%(
                         set_css, eval(image)[1], eval(image)[2], style
                         )
             
+            # Set link for image
             if target:
               image_tgt = image_link%(
                           set_css, image_target, eval(image)[2], '%s'
@@ -260,8 +266,10 @@ def wip_images():
             else:
               image_tgt = '%s'
             
+            # Set HTML to replace line number
             image_html = image_tgt%image_src
-        
-        article_bottom = article_bottom.replace(
-                         article_bottom.rsplit('\n')[ln], image_html
-                         )
+          
+            article_bottom = article_bottom.replace(
+                             article_bottom.rsplit('\n')[ln], image_html
+                             )
+