Add information about the status column

(which I always forget) in the help page

htop.c

@@ -93,35 +93,36 @@ void showHelp(ProcessList* pl) {
    addattrstr(CRT_colors[BAR_BORDER], "]");
    attrset(CRT_colors[DEFAULT_COLOR]);
    mvaddstr(6,0, "Type and layout of header meters are configurable in the setup screen.");
-
-   mvaddstr( 8, 0, " Arrows: scroll process list             F5 t: tree view");
-   mvaddstr( 9, 0, " Digits: incremental PID search             u: show processes of a single user");
-   mvaddstr(10, 0, "   F3 /: incremental name search            H: hide/show user threads");
-   mvaddstr(11, 0, "                                            K: hide/show kernel threads");
-   mvaddstr(12, 0, "  Space: tag processes                      F: cursor follows process");
-   mvaddstr(13, 0, "      U: untag all processes");
-   mvaddstr(14, 0, "   F9 k: kill process/tagged processes      P: sort by CPU%");
-   mvaddstr(15, 0, " + [ F7: lower priority (+ nice)            M: sort by MEM%");
-   mvaddstr(16, 0, " - ] F8: higher priority (root only)        T: sort by TIME");
-   mvaddstr(17, 0, "                                         F4 I: invert sort order");
-   mvaddstr(18, 0, "   F2 S: setup                           F6 >: select sort column");
-   mvaddstr(19, 0, "   F1 h: show this help screen");
-   mvaddstr(20, 0, "  F10 q: quit                               s: trace syscalls with strace");
+   mvaddstr(7, 0, "Status: R: running; S: sleeping; T: traced/stopped; Z: zombie; D: disk sleep");
+
+   mvaddstr( 9, 0, " Arrows: scroll process list             F5 t: tree view");
+   mvaddstr(10, 0, " Digits: incremental PID search             u: show processes of a single user");
+   mvaddstr(11, 0, "   F3 /: incremental name search            H: hide/show user threads");
+   mvaddstr(12, 0, "                                            K: hide/show kernel threads");
+   mvaddstr(13, 0, "  Space: tag processes                      F: cursor follows process");
+   mvaddstr(14, 0, "      U: untag all processes");
+   mvaddstr(15, 0, "   F9 k: kill process/tagged processes      P: sort by CPU%");
+   mvaddstr(16, 0, " + [ F7: lower priority (+ nice)            M: sort by MEM%");
+   mvaddstr(17, 0, " - ] F8: higher priority (root only)        T: sort by TIME");
+   mvaddstr(18, 0, "                                         F4 I: invert sort order");
+   mvaddstr(19, 0, "   F2 S: setup                           F6 >: select sort column");
+   mvaddstr(20, 0, "   F1 h: show this help screen");
+   mvaddstr(21, 0, "  F10 q: quit                               s: trace syscalls with strace");
 
    attrset(CRT_colors[HELP_BOLD]);
-   mvaddstr( 8, 0, " Arrows"); mvaddstr( 8,40, " F5 t");
-   mvaddstr( 9, 0, " Digits"); mvaddstr( 9,40, "    u");
-   mvaddstr(10, 0, "   F3 /"); mvaddstr(10,40, "    H");
-                               mvaddstr(11,40, "    K");
-   mvaddstr(12, 0, "  Space"); mvaddstr(12,40, "    F");
-   mvaddstr(13, 0, "      U");
-   mvaddstr(14, 0, "   F9 k"); mvaddstr(14,40, "    P");
-   mvaddstr(15, 0, " + [ F7"); mvaddstr(15,40, "    M");
-   mvaddstr(16, 0, " - ] F8"); mvaddstr(16,40, "    T");
-                               mvaddstr(17,40, " F4 I");
-   mvaddstr(18, 0, "   F2 S"); mvaddstr(18,40, " F6 >");
-   mvaddstr(19, 0, "   F1 h");
-   mvaddstr(20, 0, "  F10 q"); mvaddstr(20,40, "    s");
+   mvaddstr( 9, 0, " Arrows"); mvaddstr( 9,40, " F5 t");
+   mvaddstr(10, 0, " Digits"); mvaddstr(10,40, "    u");
+   mvaddstr(11, 0, "   F3 /"); mvaddstr(11,40, "    H");
+                               mvaddstr(12,40, "    K");
+   mvaddstr(13, 0, "  Space"); mvaddstr(13,40, "    F");
+   mvaddstr(14, 0, "      U");
+   mvaddstr(15, 0, "   F9 k"); mvaddstr(15,40, "    P");
+   mvaddstr(16, 0, " + [ F7"); mvaddstr(16,40, "    M");
+   mvaddstr(17, 0, " - ] F8"); mvaddstr(17,40, "    T");
+                               mvaddstr(18,40, " F4 I");
+   mvaddstr(19, 0, "   F2 S"); mvaddstr(19,40, " F6 >");
+   mvaddstr(20, 0, "   F1 h");
+   mvaddstr(21, 0, "  F10 q"); mvaddstr(21,40, "    s");
    attrset(CRT_colors[DEFAULT_COLOR]);
 
    attrset(CRT_colors[HELP_BOLD]);