fix multiple typos in the manpages

found by Debian's lintian tool

src/thinkfan.1

@@ -193,7 +193,7 @@ https://github.com/vmatare/thinkfan/tree/master/examples
 The Linux hwmon user interface documentation:
 https://www.kernel.org/doc/html/latest/hwmon/sysfs\-interface.html
 
-The thinkpad_acpi interface documenation:
+The thinkpad_acpi interface documentation:
 https://www.kernel.org/doc/html/latest/admin\-guide/laptops/thinkpad\-acpi.html
 
 

src/thinkfan.conf.5

@@ -157,7 +157,7 @@ In this case, the \*(lq\c
 .BI indices: " index-list"\c
 \*(rq and \*(lq\c
 .BI name: " hwmon-name"\c
-\*(rq entries are unncessary since the path uniquely identifies a specific fan or
+\*(rq entries are unnecessary since the path uniquely identifies a specific fan or
 sensor.
 
 Note that this method may lead to problems when the load order of the drivers
@@ -407,7 +407,7 @@ https://github.com/vmatare/thinkfan/tree/master/examples
 The Linux hwmon user interface documentation:
 https://www.kernel.org/doc/html/latest/hwmon/sysfs\-interface.html
 
-The thinkpad_acpi interface documenation:
+The thinkpad_acpi interface documentation:
 https://www.kernel.org/doc/html/latest/admin\-guide/laptops/thinkpad\-acpi.html
 
 

src/thinkfan.conf.legacy.5

@@ -11,7 +11,7 @@ A fan level associates a certain fan speed to a lower and an upper
 temperature bound.
 If the temperature reaches the upper bound, we switch to the next fan level,
 and if it drops below the lower bound, we switch to the previous fan level.
-Temperature bounds can either be a single tempature (\fIsimple mode\fR) or
+Temperature bounds can either be a single temperature (\fIsimple mode\fR) or
 consist of multiple temperatures (\fIcomplex mode\fR).
 In simple mode, only the highest of all known temperature is compared to the
 upper & lower bound.