Documentation: Fix typo in multiple files in Documentation

Correct multiple spelling typo in Documentation.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Rob Landley <rob@landley.net>
Reported-by: Anders Larsen <al@alarsen.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/Documentation/DocBook/libata.tmpl b/Documentation/DocBook/libata.tmpl
index 31df1aa..deb71ba 100644
--- a/Documentation/DocBook/libata.tmpl
+++ b/Documentation/DocBook/libata.tmpl
@@ -918,7 +918,7 @@
         <title>HSM violation</title>
         <para>
         This error is indicated when STATUS value doesn't match HSM
-        requirement during issuing or excution any ATA/ATAPI command.
+        requirement during issuing or execution any ATA/ATAPI command.
         </para>
 
 	<itemizedlist>