diff --git a/htop.1 b/htop.1
index b91275e5..e40defcc 100644
--- a/htop.1
+++ b/htop.1
@@ -50,6 +50,10 @@ Trace process system calls: if strace(1) is installed, pressing this key
 will attach it to the currently selected process, presenting a live
 update of system calls issued by the process.
 .TP
+.B l
+Display open files for a process: if lsof(1) is installed, pressing this key
+will display the list of file descriptors opened by the process.
+.TP
 .B F1, h
 Help screen
 .TP
diff --git a/htop.c b/htop.c
index e04f9350..47f16dbc 100644
--- a/htop.c
+++ b/htop.c
@@ -139,7 +139,7 @@ static void showHelp(ProcessList* pl) {
       mvaddstr(18, 0, "      a:");
 #endif
    mvaddstr(19, 0, "   F2 S"); mvaddstr(19,40, " F6 >");
-   mvaddstr(20, 0, "   F1 h");
+   mvaddstr(20, 0, "   F1 h"); mvaddstr(20,40, "    l");
    mvaddstr(21, 0, "  F10 q"); mvaddstr(21,40, "    s");
    attrset(CRT_colors[DEFAULT_COLOR]);