--- a/hgsubversion/help/subversion.rst
+++ b/hgsubversion/help/subversion.rst
@@ -142,7 +142,7 @@ related Subversion repository.
 Alternatively, one can use the ``hgsubversion.externals`` in hgrc to
 specify ``subrepos`` as the externals mode. In this mode, ``.hgsub``
 and ``.hgsubstate`` files will be used instead of
-``.hgsvnexternals``. This feature requires Mercurial 1.7.1 or later.
+``.hgsvnexternals``.
 
 
 Using Subrepositories
@@ -179,8 +179,6 @@ with the revision identifier replaced wi
 
 This mode has the following limitations:
 
-* Require Mercurial >= 1.7.1 to work correctly on all platforms.
-
 * "hgsubversion" subrepositories require hgsubversion extension to be
   available. To operate transparently on ``svn:externals`` we have to
   stay as close as possible to their original property
@@ -361,10 +359,10 @@ settings:
     when necessary.
 
   ``hgsubversion.externals``
-    Set to ``subrepos`` to switch to subrepos-based externals support
-    (requires Mercurial 1.7.1 or later.) Default is ``svnexternals``,
-    which uses a custom hgsubversion-specific format and works on
-    older versions of Mercurial. Use ``ignore`` to avoid converting externals.
+    Set to ``subrepos`` to switch to subrepos-based externals support. Default
+    is ``svnexternals``, which uses a custom hgsubversion-specific format and
+    works on older versions of Mercurial. Use ``ignore`` to avoid converting
+    externals.
 
 The following options only have an effect on the initial clone of a repository: