diff --git a/bash-abbr b/bash-abbr
index 7e4ccdf..183ca7b 100644
--- a/bash-abbr
+++ b/bash-abbr
@@ -181,6 +181,10 @@ bash_abbr () {
         # bind    '"'"$ch"'": "\e\C-a'"$ch"'\e^"' # Moves point weirdly
     done
 
+    # TODO To get it fully working in all edge cases (as far as we can parse),
+    #      we need to implement recursive alias expansion on the entire line
+    #      like bash does. Basically something like alias-expand-line but
+    #      called as many times as possible before recursion would happen.
     bind -x '"\e\C-an": _try_abbrev ""'
     bind    '"\e\C-j": accept-line'
     bind    '"\C-m": "\e\C-an\e^\e\C-j"'