diff --git a/hgext/convert/subversion.py b/hgext/convert/subversion.py
--- a/hgext/convert/subversion.py
+++ b/hgext/convert/subversion.py
@@ -1041,7 +1041,7 @@ class svn_source(converter_source):
             relpaths.append(p.strip('/'))
         args = [self.baseurl, relpaths, start, end, limit,
                 discover_changed_paths, strict_node_history]
-        # undocumented feature: debugsvnlog can be disabled
+        # developer config: convert.svn.debugsvnlog
         if not self.ui.configbool('convert', 'svn.debugsvnlog', True):
             return directlogstream(*args)
         arg = encodeargs(args)
diff --git a/tests/test-check-config-hg.t b/tests/test-check-config-hg.t
--- a/tests/test-check-config-hg.t
+++ b/tests/test-check-config-hg.t
@@ -6,4 +6,3 @@ New errors are not allowed. Warnings are
 
   $ hg files "set:(**.py or **.txt) - tests/**" | sed 's|\\|/|g' |
   >   xargs python contrib/check-config.py
-  undocumented: convert.svn.debugsvnlog (bool) [True]