diff --git a/conf.d/10_key_bindings.fish b/conf.d/10_key_bindings.fish
index 5911983..450cd36 100644
--- a/conf.d/10_key_bindings.fish
+++ b/conf.d/10_key_bindings.fish
@@ -1,10 +1,18 @@
 function fish_user_key_bindings
+    # Word movement
     bind ctrl-right forward-word
     bind ctrl-left backward-word
-    bind alt-backspace backward-kill-word
+
+    # Deletes a standard word (matches the movement of ctrl-left/right)
+    bind ctrl-backspace backward-kill-word
+
+    # Deletes "more" - a big word (ignores punctuation, stops only at spaces)
+    bind alt-backspace backward-kill-bigword
+    bind shift-backspace backward-kill-bigword
+
+    # Your other existing bindings
     bind alt-d kill-word
     bind ctrl-w backward-kill-path-component
     bind alt-. history-token-search-backward
-    bind alt-s sudo
     bind ctrl-x,ctrl-e edit_command_buffer
 end