Patch #1026384: fix two common typo's:

- accomodate -> accommodate
- occured -> occurred

Thanks George Yoshida!
diff --git a/Doc/lib/tkinter.tex b/Doc/lib/tkinter.tex
index d0400c6..cdc9b39 100644
--- a/Doc/lib/tkinter.tex
+++ b/Doc/lib/tkinter.tex
@@ -535,7 +535,7 @@
 widgets appear inside the master into which they are packed.  You can
 pack widgets into frames, and frames into other frames, in order to
 achieve the kind of layout you desire.  Additionally, the arrangement
-is dynamically adjusted to accomodate incremental changes to the
+is dynamically adjusted to accommodate incremental changes to the
 configuration, once it is packed.
 
 Note that widgets do not appear until they have had their geometry