clock: update help message & man page

i3lock.1

@@ -23,12 +23,15 @@ i3lock \- improved screen locker
 .IR image.png \|]
 .RB [\|\-c
 .IR color \|]
+.RB [\|\-F
+.IR fgcolor \|]
 .RB [\|\-t\|]
 .RB [\|\-p
 .IR pointer\|]
 .RB [\|\-u\|]
 .RB [\|\-e\|]
 .RB [\|\-I\|]
+.RB [\|\-T\|]
 .RB [\|\-f\|]
 
 .SH DESCRIPTION
@@ -93,6 +96,10 @@ Display the given PNG image instead of a blank screen.
 Turn the screen into the given color instead of white. Color must be given in 3-byte
 format: rrggbb (i.e. ff0000 is red).
 
+.TP
+.BI \-F\  rrggbb \fR,\ \fB\-\-fgcolor= rrggbb
+Sets the color used for text.
+
 .TP
 .B \-t, \-\-tiling
 If an image is specified (via \-i) it will display the image tiled all over the screen
@@ -116,6 +123,12 @@ another try. This can be useful if the XF86ScreenSaver key is used to
 put a laptop to sleep and bounce on resume or if you happen to wake up
 your computer with the enter key.
 
+.TP
+.B \-T, \-\-time
+Makes
+.B i3lock
+draw the current time in the middle of the screen.
+
 .TP
 .B \-f, \-\-show-failed-attempts
 Show the number of failed attempts, if any.

i3lock.c

@@ -836,8 +836,8 @@ int main(int argc, char *argv[]) {
             show_failed_attempts = true;
             break;
         default:
-            errx(EXIT_FAILURE, "Syntax: i3lock [-v] [-n] [-b] [-d] [-c color] [-u] [-p win|default]"
-            " [-i image.png] [-t] [-e] [-I] [-f]"
+            errx(EXIT_FAILURE, "Syntax: i3lock [-v] [-n] [-b] [-d] [-c bgcolor] [-F fgcolor] [-u] [-p win|default]"
+            " [-i image.png] [-t] [-e] [-I] [-T] [-f]"
             );
         }
     }