Key 0 to lock

src/nnn.c

@@ -3608,7 +3608,7 @@ static void show_help(const char *path)
 	       "9Lt h  Parent%-12c~ ` @ -  HOME, /, start, last\n"
 	   "5Ret Rt l  Open%-20cf  First file\n"
 	       "9g ^A  Top%-21c.  Toggle hidden\n"
-	       "9G ^E  End%-21cL  Lock terminal\n"
+	       "9G ^E  End%-21c0  Lock terminal\n"
 	       "9b ^/  Bookmark key%-12c,  Pin CWD\n"
 	        "a1-4  Context 1-4%-7c(Sh)Tab  Cycle context\n"
 		  "c/  Filter%-17c^N  Nav-as-you-type toggle\n"

src/nnn.h

@@ -223,7 +223,7 @@ static struct key bindings[] = {
 	/* Run a command */
 	{ ']',            SEL_RUNCMD },
 	/* Lock screen */
-	{ 'L',            SEL_LOCK },
+	{ '0',            SEL_LOCK },
 	/* Quit a context */
 	{ 'q',            SEL_QUITCTX },
 	/* Change dir on quit */