diff --git a/swh/web/browse/utils.py b/swh/web/browse/utils.py
--- a/swh/web/browse/utils.py
+++ b/swh/web/browse/utils.py
@@ -889,7 +889,8 @@
               the context of the origin and its visit
 
     Raises:
-        NotFoundExc: if no snapshot is found for the visit of an origin.
+        swh.web.common.exc.NotFoundExc: if no snapshot is found for the visit
+            of an origin.
     """
     origin_info = None
     visit_info = None
diff --git a/swh/web/common/origin_save.py b/swh/web/common/origin_save.py
--- a/swh/web/common/origin_save.py
+++ b/swh/web/common/origin_save.py
@@ -389,7 +389,8 @@
 
     Raises:
         BadInputExc: the visit type or origin url is invalid
-        NotFoundExc: no save requests can be found for the given origin
+        swh.web.common.exc.NotFoundExc: no save requests can be found for the
+            given origin
 
     Returns:
         list: A list of save origin requests dict as described in
diff --git a/swh/web/common/origin_visits.py b/swh/web/common/origin_visits.py
--- a/swh/web/common/origin_visits.py
+++ b/swh/web/common/origin_visits.py
@@ -31,7 +31,7 @@
             * **type**: the visit type
 
     Raises:
-        NotFoundExc: if the origin is not found
+        swh.web.common.exc.NotFoundExc: if the origin is not found
     """
 
     from swh.web.common import service
diff --git a/swh/web/common/service.py b/swh/web/common/service.py
--- a/swh/web/common/service.py
+++ b/swh/web/common/service.py
@@ -587,7 +587,8 @@
 
     Raises:
         ValueError: if the identifier provided is not of sha1 nature.
-        NotFoundExc: if there is no revision with the provided sha1_git.
+        swh.web.common.exc.NotFoundExc: if there is no revision with the
+            provided sha1_git.
 
     """
     lookup_revision(rev_sha1_git)
@@ -609,7 +610,8 @@
         list: Revision log as list of revision dicts
 
     Raises:
-        NotFoundExc: if no revision corresponds to the criterion
+        swh.web.common.exc.NotFoundExc: if no revision corresponds to the
+            criterion
 
     """
     rev_id = _lookup_revision_id_by(origin, branch_name, timestamp)
@@ -1151,7 +1153,8 @@
         dictionary for the directory object type.
 
     Raises:
-        NotFoundExc: if the object could not be found in the archive
+        swh.web.common.exc.NotFoundExc: if the object could not be found in
+            the archive
         BadInputExc: if the object identifier is invalid
     """
     if object_type == CONTENT: