Fix typo in documentation

  thanks to Puneeth Chaganti for the patch

doc/org.texi

@@ -6440,9 +6440,9 @@ Archived trees are not exported (@pxref{Exporting}), only the headline
 is.  Configure the details using the variable
 @code{org-export-with-archived-trees}.
 @item
-@vindex org-columns-skip-arrchived-trees
+@vindex org-columns-skip-archived-trees
 Archived trees are excluded from column view unless the variable
-@code{org-columns-skip-arrchived-trees} is configured to @code{nil}.
+@code{org-columns-skip-archived-trees} is configured to @code{nil}.
 @end itemize
 
 The following commands help managing the ARCHIVE tag:

lisp/ChangeLog.01

@@ -3343,7 +3343,7 @@
 	`truncate-lines'.
 	(org-columns): Remember the value of `truncate-lines'.
 
-	* org.el (org-columns-skip-arrchived-trees): New option.
+	* org.el (org-columns-skip-archived-trees): New option.
 
 	* org-agenda.el (org-agenda-export-html-style): Define color for
 	org-agenda-done face.