Fix typos in documentation

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

CHANGES

@@ -366,7 +366,7 @@ SVN HEAD
                   Skip ISA detection by default if a Super I/O was found (#2322)
                   Do not scan I2C adapters on multimedia cards by default
                   Skip SMBus probing by default if a Super I/O was found (#2322)
-                  Display I2C address statictics with --stat
+                  Display I2C address statistics with --stat
                   Document the new detection order and rules
                   Gather DMI data and print it at start-up
                   Always probe the SMBus on Asus, Tyan and Supermicro boards

doc/temperature-sensors

@@ -65,7 +65,7 @@ Vt = kT/q where k = Boltzman's constant 1.38 e-23;
                 T = temp in kelvin.
 		Is is reverse saturation current.
 
-(more math and greek letters I don't understand completely)
+(more math and Greek letters I don't understand completely)
 
 dVd/dT works out to, at room temperature, about 2.1 mV/degree
 or a temperature coefficient of about 0.32%/degree.

prog/pwm/vt1211_pwm.8

@@ -21,7 +21,7 @@ are 1 or 2. This option also writes the original vt1211 register values to
 ~/.vt1211_pwm\fB<pwm>\fP which is used for restoring the original settings.
 .TP
 .B -r <pwm>
-Restore PWM \fB<pwm>\fP to the orignal settings. Valid numbers for \fB<pwm>\fP
+Restore PWM \fB<pwm>\fP to the original settings. Valid numbers for \fB<pwm>\fP
 are 1 or 2. This options reads the original settings from
 ~/.vt1211_pwm\fB<pwm>\fP and writes them to the vt1211.
 .TP
@@ -38,7 +38,7 @@ PWM outputs of the vt1211 :-)
 
 .SH WARNING
 This script puts the PWM controller of the vt1211 into automatic mode and
-toggles the thermal thresholds between extrem values to fool the chip into
+toggles the thermal thresholds between extreme values to fool the chip into
 believing that there is a temperature change and thus forcing the PWM outputs
 to change to the specified values. Since there is only a single PWM controller
 that controls both PWM outputs, setting the duty-cycle of one PWM output could