diff --git a/LittleBock/extract.py b/LittleBock/extract.py
index 5c3d0ad..4ec09a9 100755
--- a/LittleBock/extract.py
+++ b/LittleBock/extract.py
@@ -2,24 +2,27 @@
 """
 extracteur de données iSpindel JSON entreposées par Little Bock en HTML
 """
-import json
+import json, pathlib
 try:
     import lxml.html as LX
 except ModuleNotFoundError:
     import sys
     sys.exit("Le module 'lxml' est nécessaire.\n\thttp://pypi.org/lxml")
-import pathlib
 
 def jsproc(data):
-    """nettoie des données récursivement"""
-    unwanted = ["color","opacity","yAxis","dashStyle"]
-    for u in unwanted:
-        if u in data.keys():
-            del(data[u])
-    for k,v in data.items():
-        if isinstance(v,dict):
-            jsproc(v)
-    return data
+    """supprime les données inutiles d'une série"""
+    unwanted = ("color","opacity","yAxis","dashStyle", "tooltip",)
+    if data.get("data"):
+        for u in unwanted:
+            if u in data.keys():
+                if u == "tooltip":
+                    tt = data.get(u)
+                    suffix = tt.get("valueSuffix")
+                    if suffix: data.update({
+                        "name": " ".join([data["name"], suffix])
+                    })
+                del(data[u])
+        return data
 
 def hproc(path_in):
     """traite un document HTML"""
@@ -29,7 +32,8 @@ def hproc(path_in):
     if x: data1 = x[0].get('data-chart-options')
     if data1:
         for i in json.loads(data1).pop('series'):
-            data2.append(jsproc(i))
+            data = jsproc(i)
+            if data: data2.append(data)
     if len(data2) > 0:
         path_out = path_in.with_suffix('.json')
         with open(path_out,'w') as f: