doc: fix quite a few typos within Documentation

Correct spelling typo in Documentations

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/Documentation/hid/uhid.txt b/Documentation/hid/uhid.txt
index 4627c42..3c74121 100644
--- a/Documentation/hid/uhid.txt
+++ b/Documentation/hid/uhid.txt
@@ -108,7 +108,7 @@
   UHID_FEATURE_ANSWER:
   If you receive a UHID_FEATURE request you must answer with this request. You
   must copy the "id" field from the request into the answer. Set the "err" field
-  to 0 if no error occured or to EIO if an I/O error occurred.
+  to 0 if no error occurred or to EIO if an I/O error occurred.
   If "err" is 0 then you should fill the buffer of the answer with the results
   of the feature request and set "size" correspondingly.