docs: Fix typos

gpdb-doc/dita/ref_guide/modules/diskquota.xml

@@ -150,7 +150,7 @@ $ gpstop -ar</codeblock></li>
         map. For append-optimized tables, the calculation includes the visibility map and index, and
         the block directory table.</p>
       <p>The <codeph>diskquota</codeph> module cannot detect a newly created table inside of an
-        uncommited transaction. The size of the new table is not included in the disk usage
+        uncommitted transaction. The size of the new table is not included in the disk usage
         calculated for the corresponding schema or role until after the transaction has committed.
         Similarly, a table created using the <codeph>CREATE TABLE AS</codeph> command is not
         included in disk usage statistics until the command has completed.</p>

gpdb-doc/dita/utility_guide/admin_utilities/gpssh-exkeys.xml

@@ -55,7 +55,7 @@
             <p>To specify new expansion hosts to be added to an existing Greenplum Database system,
                 use the <codeph>-e</codeph> and <codeph>-x</codeph> options. The <codeph>-e</codeph>
                 option specifies a file containing a list of existing hosts in the system that have
-                aready exchanged SSH keys. The <codeph>-x</codeph> option specifies a file
+                already exchanged SSH keys. The <codeph>-x</codeph> option specifies a file
                 containing a list of new hosts that need to participate in the SSH key exchange. </p>
             <p>The <codeph>gpssh-exkeys</codeph> utility performs key exchange using the following
                 steps:</p>