Input: joystick - refer to /dev/input/js0 in documentation

Nowadays the joystick device nodes are created under /dev/input, reflect
this in the documentation in order to make copy and paste easier for
users.

Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
diff --git a/Documentation/input/joystick.txt b/Documentation/input/joystick.txt
index 304262b..8d027dc 100644
--- a/Documentation/input/joystick.txt
+++ b/Documentation/input/joystick.txt
@@ -116,7 +116,7 @@
   For testing the joystick driver functionality, there is the jstest
 program in the utilities package. You run it by typing:
 
-	jstest /dev/js0
+	jstest /dev/input/js0
 
   And it should show a line with the joystick values, which update as you
 move the stick, and press its buttons. The axes should all be zero when the
@@ -136,7 +136,7 @@
 some analog joysticks, that either do not use linear resistors, or if you
 want better precision, you can use the jscal program
 
-	jscal -c /dev/js0
+	jscal -c /dev/input/js0
 
  included in the joystick package to set better correction coefficients than
 what the driver would choose itself.
@@ -145,7 +145,7 @@
 calibration using the jstest command, and if you do, you then can save the
 correction coefficients into a file
 
-	jscal -p /dev/js0 > /etc/joystick.cal
+	jscal -p /dev/input/js0 > /etc/joystick.cal
 
   And add a line to your rc script executing that file
 
@@ -556,7 +556,7 @@
 
 5. FAQ
 ~~~~~~
-Q: Running 'jstest /dev/js0' results in "File not found" error. What's the
+Q: Running 'jstest /dev/input/js0' results in "File not found" error. What's the
    cause?
 A: The device files don't exist. Create them (see section 2.2).