Typo correction for description in gpio document.

Corrected Documentation/gpio/sysfs.txt for typos and wording.
typos: syfs -> sysfs, manges -> manages
wording: entry -> entries

Signed-off-by: Sachin Pandhare <sachinpandhare@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/Documentation/gpio/sysfs.txt b/Documentation/gpio/sysfs.txt
index 0700b55..aeab01a 100644
--- a/Documentation/gpio/sysfs.txt
+++ b/Documentation/gpio/sysfs.txt
@@ -20,14 +20,14 @@
 standard kernels won't know about. And for some tasks, simple userspace
 GPIO drivers could be all that the system really needs.
 
-DO NOT ABUSE SYFS TO CONTROL HARDWARE THAT HAS PROPER KERNEL DRIVERS.
+DO NOT ABUSE SYSFS TO CONTROL HARDWARE THAT HAS PROPER KERNEL DRIVERS.
 PLEASE READ THE DOCUMENT NAMED "drivers-on-gpio.txt" IN THIS DOCUMENTATION
 DIRECTORY TO AVOID REINVENTING KERNEL WHEELS IN USERSPACE. I MEAN IT.
 REALLY.
 
 Paths in Sysfs
 --------------
-There are three kinds of entry in /sys/class/gpio:
+There are three kinds of entries in /sys/class/gpio:
 
    -	Control interfaces used to get userspace control over GPIOs;
 
@@ -106,7 +106,7 @@
 
     	"label" ... provided for diagnostics (not always unique)
 
-    	"ngpio" ... how many GPIOs this manges (N to N + ngpio - 1)
+        "ngpio" ... how many GPIOs this manages (N to N + ngpio - 1)
 
 Board documentation should in most cases cover what GPIOs are used for
 what purposes. However, those numbers are not always stable; GPIOs on