--- a/src/bridge/bridge_constructor/bridge_template.ini	Sat Jan 23 19:53:16 2016 +0100
+++ b/src/bridge/bridge_constructor/bridge_template.ini	Sat Jan 23 19:56:25 2016 +0100
@@ -126,8 +126,7 @@
         - C.META_TYPE_OVERWRITE: a file overwriting confirmation
     - meta_progress_id: progress id linked to this action
 doc_param_1=id: action id
-    This id can be used later by frontends to announce to other ones
-    That the action is managed and can now be ignored.
+    This id can be used later by frontends to announce to other ones that the action is managed and can now be ignored.
 doc_param_2=%(doc_security_limit)s
 doc_param_3=%(doc_profile)s
 
@@ -201,8 +200,8 @@
 sig_in=sss
 doc=There was an error during progressing operation
 doc_param_0=id: id of the progression operation
-doc_param_0=error: error message
-doc_param_1=%(doc_profile)s
+doc_param_1=error: error message
+doc_param_2=%(doc_profile)s
 
 ;methods
 
@@ -676,7 +675,8 @@
 doc_param_1=%(doc_profile)s
 doc_return=dict with progress informations:
  - position: current position
- - size: end position
+ - size: end position (optional if not known)
+ other metadata may be present
 
 [progressGetAllMetadata]
 type=method