IMPALA-10167: Docs typo for DEFAULT_TRANSACTIONAL_TYPE

Fix for typo referring to DEFAULT_TRANSACTIONAL_TYPE as
DEFAULT_TRANSACTION_TYPE.

Change-Id: Ib1d9c985c8c202c8716bb5102a23c1e70cf6b68c
Reviewed-on: http://gerrit.cloudera.org:8080/16447
Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
Reviewed-by: Tim Armstrong <tarmstrong@cloudera.com>
diff --git a/docs/topics/impala_default_transactional_type.xml b/docs/topics/impala_default_transactional_type.xml
index 51be5bf..becd447 100644
--- a/docs/topics/impala_default_transactional_type.xml
+++ b/docs/topics/impala_default_transactional_type.xml
@@ -38,12 +38,12 @@
   <conbody>
 
     <p>
-      Use the <codeph>DEFAULT_TRANSACTION_TYPE</codeph> query option to create insert-only
+      Use the <codeph>DEFAULT_TRANSACTIONAL_TYPE</codeph> query option to create insert-only
       transactional tables by default.
     </p>
 
     <note>
-      The <codeph>DEFAULT_TRANSACTION_TYPE</codeph> query option applies only when integrated
+      The <codeph>DEFAULT_TRANSACTIONAL_TYPE</codeph> query option applies only when integrated
       with Hive 3.
     </note>
 
@@ -67,7 +67,7 @@
     </p>
 
     <note>
-      The <codeph>DEFAULT_TRANSACTION_TYPE</codeph> query option does not affect external, Kudu,
+      The <codeph>DEFAULT_TRANSACTIONAL_TYPE</codeph> query option does not affect external, Kudu,
       or HBase tables as these cannot be transactional.
     </note>