diff --git a/mercurial/help/config.txt b/mercurial/help/config.txt
index dad8a5071b0a9616f8fea713e8a0dcd222415610_bWVyY3VyaWFsL2hlbHAvY29uZmlnLnR4dA==..b86f52426396ea5d674ece0b40f3f156a535cee7_bWVyY3VyaWFsL2hlbHAvY29uZmlnLnR4dA== 100644
--- a/mercurial/help/config.txt
+++ b/mercurial/help/config.txt
@@ -2184,6 +2184,8 @@
     (default: True)
 
 ``slash``
+    (Deprecated. Use ``slashpath`` template filter instead.)
+
     Display paths using a slash (``/``) as the path separator. This
     only makes a difference on systems where the default path
     separator is not the slash character (e.g. Windows uses the