[orca] Corrected a couple of typos in the documentation.

[Joanmarie Diggs <joanied src gnome org>]

commit 01c1232bfd07f562d9f19a02591d2dcd595e55b2
Author: Joanmarie Diggs <joanmarie diggs gmail com>
Date:   Tue Jan 11 21:44:51 2011 -0500

    Corrected a couple of typos in the documentation.

 help/C/howto_tables.page             |    4 ++--
 help/C/preferences_introduction.page |    2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/help/C/howto_tables.page b/help/C/howto_tables.page
index f6308d5..1a4a8f9 100644
--- a/help/C/howto_tables.page
+++ b/help/C/howto_tables.page
@@ -135,9 +135,9 @@
     <p>
       To clear headers, simply double-click the command you used to set them.
       Thus double-clicking <keyseq><key>Orca Modifier</key><key>R</key></keyseq>
-      tells <app>Orca</app> there are no row headers. Double-clicking 
+      tells <app>Orca</app> there are no column headers. Double-clicking 
       <keyseq><key>Orca Modifier</key><key>C</key></keyseq> tells <app>Orca</app>
-      there are no column headers.
+      there are no row headers.
     </p>
   </section>
 </page>
diff --git a/help/C/preferences_introduction.page b/help/C/preferences_introduction.page
index c449e85..922f261 100644
--- a/help/C/preferences_introduction.page
+++ b/help/C/preferences_introduction.page
@@ -48,7 +48,7 @@
   <section>
     <title>Application-Unique Preferences</title>
       <p>
-        In contrast to Orca preferences, there are appliation-unique preferences.
+        In contrast to Orca preferences, there are application-unique preferences.
         These preferences allow you to customize <app>Orca</app> functionality
         that only applies in certain environments, such as on web pages or in
         chat applications. As a result, you will only find these options