diff --git a/Inst_eddies/Analysis/plot_velocity.py b/Inst_eddies/Analysis/plot_velocity.py
index f0eb401b6624a32181392391d7e8beed21716693..c5a71d1d7f1ca271c91523f6624bca6161b20af7 100755
--- a/Inst_eddies/Analysis/plot_velocity.py
+++ b/Inst_eddies/Analysis/plot_velocity.py
@@ -32,7 +32,10 @@ with netCDF4.Dataset(args.input_file) as f:
     longitude = f[lon][:]
     latitude = f[lat][:]
 
-if args.window is not None:
+if args.window is None:
+    lon_mask = np.ones(len(longitude), dtype = bool)
+    lat_mask = np.ones(len(latitude), dtype = bool)
+else:
     llcrnrlon, llcrnrlat, urcrnrlon, urcrnrlat = args.window
 
     if urcrnrlon - llcrnrlon > 360:
@@ -44,9 +47,6 @@ if args.window is not None:
     lon_mask = longitude <= urcrnrlon
     lat_mask = np.logical_and(latitude >= llcrnrlat,
                               latitude <= urcrnrlat)
-else:
-    lon_mask = np.ones(len(longitude), dtype = bool)
-    lat_mask = np.ones(len(latitude), dtype = bool)
 
 fig = plt.figure()
 src_crs = ccrs.PlateCarree()
diff --git a/README.md b/README.md
index 1625be4282863b473a12eb5449e87bbf85585411..1c0080387324d5b35d7870703e7c49266cd84020 100644
--- a/README.md
+++ b/README.md
@@ -7,10 +7,10 @@ This code implements ideas and methods described in the following articles:
 Dependencies: graph-tool networkx pyshp f90nml cartopy pygifsicle
 ipython h5py pynco pygraphviz
 
-If your operating system is Ubuntu 22.04 or more recent and you do not
-have an account on the Gitlab server of IN2P3, the certificate used by
-Gitlab will not be accepted by your machine. Therefore you need to
-deactivate SSL verification when contacting Gitlab:
+If your operating system is Ubuntu 22.04 or more recent, the
+certificate used by Gitlab will not be accepted by your
+machine. Therefore you need to deactivate SSL verification when
+contacting Gitlab:
 
 ```
 $ GIT_SSL_NO_VERIFY=true git clone --recurse-submodules \