Replace backquote with comma as leader key

README.md

@@ -226,7 +226,7 @@ Press <kbd>?</kbd> in `nnn` to see the list anytime.
             /  Filter       Ins ^T  Toggle nav-as-you-type
             b  Pin current dir  ^B  Go to pinned dir
        Tab ^I  Next context      d  Toggle detail view
-         ` ^/  Leader key  N LeadN  Go to/create context N
+         , ^/  Leader key  N LeadN  Go to/create context N
           Esc  Exit prompt      ^L  Redraw/clear prompt
            ^G  Quit and cd       q  Quit context
          Q ^Q  Quit              ?  Help, config

nnn.1

@@ -65,7 +65,7 @@ Visit pinned directory
 Toggle detail view
 .It Ic Tab, ^I
 Next context, ask to create if none
-.It Ic `, ^/
+.It Ic ,, ^/
 Leader key
 .It Ic N, LeaderN
 Switch to context N

src/nnn.c

@@ -2382,7 +2382,7 @@ static bool show_help(char *path)
              "c/  Filter       Ins ^T  Toggle nav-as-you-type\n"
              "cb  Pin current dir  ^B  Go to pinned dir\n"
         "7Tab ^I  Next context      d  Toggle detail view\n"
-          "9` ^/  Leader key  N LeadN  Go to/create context N\n"
+          "9, ^/  Leader key  N LeadN  Go to/create context N\n"
            "aEsc  Exit prompt      ^L  Redraw/clear prompt\n"
             "b^G  Quit and cd       q  Quit context\n"
           "9Q ^Q  Quit              ?  Help, config\n"

src/nnn.h

@@ -143,7 +143,7 @@ static struct key bindings[] = {
 	{ CONTROL('B'),   SEL_VISIT },
 	/* Leader key */
 	{ CONTROL('_'),   SEL_LEADER },
-	{ '`',            SEL_LEADER },
+	{ ',',            SEL_LEADER },
 	/* Cycle contexts in forward direction */
 	{ '\t',           SEL_CYCLE },
 	{ CONTROL('I'),   SEL_CYCLE },