Spelling fixes

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A tool to fix common misspellings.
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Change-Id: I1de3fdd00d0c132987b1eeb78b2945f30d3ab538
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/pid/README b/pid/README
index 93e48f3..7c3f919 100644
--- a/pid/README
+++ b/pid/README
@@ -3,7 +3,7 @@
 what was published in the Chrome OS source.
 
 One has any number of ThermalControllers that run through a PID step to
-generate a set-point RPM to reach its thermal set-point.  The maximum ouput
+generate a set-point RPM to reach its thermal set-point.  The maximum output
 from the set of ThermalControllers is taken as the input to all the
 FanController PID loops.