diff --git a/.config/fish/conf.d/smartcd.fish b/.config/fish/conf.d/smartcd.fish
index 68fffbf5..c2e1db8d 100644
--- a/.config/fish/conf.d/smartcd.fish
+++ b/.config/fish/conf.d/smartcd.fish
@@ -4,7 +4,19 @@ status is-interactive; or exit
 functions -q __cd_orig; or functions --copy cd __cd_orig
 
 function cd --wraps=cd --description "Change directory. No args goes to git root or $HOME. If already there, return to previous location."
-
+    argparse h/help -- $argv
+    if set -q _flag_help
+        echo smartcd.fish: Change directories, slightly smarter.
+        echo Invoke by running cd. Update with smartcd_update.
+        echo Usage:
+        echo -h/--help: show this menu.
+        echo cd [args]: behaves like normal cd.
+        echo cd [no-args]: cd to ROOT. If at ROOT, cd to PREV.\n
+        echo ROOT = Git repo root '||' "\$HOME".
+        echo PREV = Last element of "\$dirprev".
+        echo If PREV is outside ROOT, user is prompted first.
+        return 0
+    end
     # Skip history in subshells.
     if status --is-command-substitution
         builtin cd $argv
@@ -44,7 +56,13 @@ function cd --wraps=cd --description "Change directory. No args goes to git root
 end
 
 function smartcd_update --description "Update smartcd.fish with the latest from the upstream."
-    argparse d/dry -- $argv
+    argparse h/help d/dry -- $argv
+    if set -q _flag_help
+        echo Update smartcd.fish with the latest from upstream.
+        echo -d/--dry to not save the file.
+        echo -h/--help to print this screen.
+        return 0
+    end
     set -l url https://git.sr.ht/~ficd/smartcd.fish/blob/main/smartcd.fish
     # set -l add "-o $fish_config/conf.d/smartcd.fish"
     not set -q _flag_dry; and set -l add -o $fish_config/conf.d/smartcd.fish