diff --git a/docs/source/programmers_guide/plugins.rst b/docs/source/programmers_guide/plugins.rst
index 8f00b895..e30e1396 100644
--- a/docs/source/programmers_guide/plugins.rst
+++ b/docs/source/programmers_guide/plugins.rst
@@ -1,12 +1,57 @@
-=====================
-Creating a new plugin
-=====================
+
+==========================
+Working with plugins
+==========================
+
+
+Installing a remote plugin
+--------------------------
+
+Download an external repository of plugins::
+
+        qp_plugins download http://somewhere/over/the/rainbow/ext_repo
+
+
+This installs the repository of external plugins :file:`ext_repo` in
+:file:`$QP_ROOT/plugins`. 
+
+Now, the external plugin :file:`ext_module` contained in the repository 
+:file:`ext_repo` can be installed using::
+
+        qp_plugins install ext_module
+
+
+The module is now accessible via a symbolic link in :file:`$QP_ROOT/src`,
+and can be compiled as any module.
+
+
+To uninstall the plugin, run::
+
+        qp_plugins uninstall ext_module
+
+
+
+
+
+Creating a repository of plugins
+--------------------------------
 
 Create a repository, for example :file:`qp_plugins_user`, hosted somewhere
 (GitLab, GitHub, etc...), and clone the repository in the
 :file:`$QP_ROOT/plugins` directory.
 
 
+Creating new plugins
+--------------------
+
+To create a new plugin named :file:`my_plugin` in this repository, run::
+
+        qp_plugins create -n my_plugin -r qp_plugins_user
+
+
+Now, the plugin needs to be installed to be compiled::
+
+        qp_plugins install my_plugin
 
 
 
diff --git a/scripts/module/module_handler.py b/scripts/module/module_handler.py
index 8256d14c..22677d33 100755
--- a/scripts/module/module_handler.py
+++ b/scripts/module/module_handler.py
@@ -6,6 +6,7 @@ Module utilitary
 Usage:
     module_handler.py print_descendant      [<module_name>...]
     module_handler.py clean                 [ --all | <module_name>...]
+    module_handler.py create_git_ignore     [<module_name>...]
 
 Options:
     print_descendant        Print the genealogy of the needed modules
@@ -262,4 +263,5 @@ if __name__ == '__main__':
                     except:
                         pass
 
-
+            if arguments["create_git_ignore"]:
+               pass
diff --git a/src/fci/selection_buffer.irp.f b/src/fci/selection_buffer.irp.f
index 3053213f..f30f6e44 100644
--- a/src/fci/selection_buffer.irp.f
+++ b/src/fci/selection_buffer.irp.f
@@ -222,7 +222,6 @@ subroutine make_selection_buffer_s2(b)
         endif
       enddo
       if (dup) then
-!        val(i) = val(i) + val(j)
         val(i) = max(val(i), val(j))
         duplicate(j) = .True.
       endif
@@ -295,7 +294,7 @@ subroutine make_selection_buffer_s2(b)
     if (k > n_d) exit
   enddo
   deallocate(o)
-  b%N = 2*n_d
+  b%N = n_d
   b%cur = n_d
 end