diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -5459,7 +5459,7 @@ def resolve(ui, repo, *pats, **opts):
         raise util.Abort(_("can't specify --all and patterns"))
     if not (all or pats or show or mark or unmark):
         raise util.Abort(_('no files or directories specified'),
-                         hint=('use --all to remerge all files'))
+                         hint=('use --all to re-merge all unresolved files'))
 
     if show:
         fm = ui.formatter('resolve', opts)
diff --git a/tests/test-merge9.t b/tests/test-merge9.t
--- a/tests/test-merge9.t
+++ b/tests/test-merge9.t
@@ -77,7 +77,7 @@ after resolve
 resolve all warning
   $ hg resolve
   abort: no files or directories specified
-  (use --all to remerge all files)
+  (use --all to re-merge all unresolved files)
   [255]
 
 resolve all
diff --git a/tests/test-resolve.t b/tests/test-resolve.t
--- a/tests/test-resolve.t
+++ b/tests/test-resolve.t
@@ -129,7 +129,7 @@ get back to conflicting state
 resolve without arguments should suggest --all
   $ hg resolve
   abort: no files or directories specified
-  (use --all to remerge all files)
+  (use --all to re-merge all unresolved files)
   [255]
 
 resolve --all should re-merge all unresolved files