diff --git a/README.md b/README.md
index dacc9e0..b10693b 100644
--- a/README.md
+++ b/README.md
@@ -26,8 +26,9 @@ Views can be reorganized by moving docks
 
 Every view has a **?** button which open the contextual help. **Theses inplace docs are the most important stuff to be read**. (but the contains typos)
 
-When some units are visible, the related spike list can be refresh and then the spike selection also refersh some views.
-This enable a very quick and convinient spike per spike view on traces.
+When some units are visible, the related spike list can be refresh.
+Then selecting spike per spike can also refersh some views.
+This enable a very quick and convinient spike per spike jump on traces.
 
 Channel visibility can be handled with the roi in the probeview.
 
diff --git a/spikeinterface_gui/curationview.py b/spikeinterface_gui/curationview.py
index 23638c1..e15e73d 100644
--- a/spikeinterface_gui/curationview.py
+++ b/spikeinterface_gui/curationview.py
@@ -180,5 +180,7 @@ def export_json(self):
 
 
 
-CurationView._gui_help_txt = """
+CurationView._gui_help_txt = """Curation = delete + merge
+Click on items to make then visible
+Rigth click to remove merges.
 """
diff --git a/spikeinterface_gui/unitlist.py b/spikeinterface_gui/unitlist.py
index c151e7b..ece8fd1 100644
--- a/spikeinterface_gui/unitlist.py
+++ b/spikeinterface_gui/unitlist.py
@@ -287,7 +287,9 @@ def merge_selected(self):
 
 
 UnitListView._gui_help_txt = """Unit list
-This control the visibility of units
+This control the visibility of units : check/uncheck visible
 Check box : make visible or unvisible
-Right click : context menu"""
+Double click on a row : make it visible  alone
+Right click : context menu (delete or merge if curation=True)
+"""