[1376] Correct typos and change some phrasing of a message description

src/lib/python/isc/xfrin/libxfrin_messages.mes

@@ -21,13 +21,11 @@ same RRset. But the TTLs of these don't match each other. As we combine them
 together, the later one get's overwritten to the earlier one in the sequence.
 
 % LIBXFRIN_NO_JOURNAL disabled journaling for updates to %1 on %2
-A Diff object was attempted to be created with enabling journaing, but
-the underlying data source didn't support journaling (while still
-allowing updates).  So the resulting Diff object will continue handle
-updates by disabling journaing.  At a higher level this means that the
-updates will be applied to the zone but subsequent IXFR requests will
-result in a full zone transfer (i.e., an AXFR-style IXFR).  Unless the
+An attempt was made to create a Diff object with journaling enabled, but
+the underlying data source didn't support journaling (while still allowing
+updates) and so the created object has it disabled.  At a higher level this
+means that the updates will be applied to the zone but subsequent IXFR requests
+will result in a full zone transfer (i.e., an AXFR-style IXFR).  Unless the
 overhead of the full transfer is an issue this message can be ignored;
-otherwise you may want to check why the journaling wasn't allowed on
-the data source and either fix the issue or use a different type of
-data source.
+otherwise you may want to check why the journaling wasn't allowed on the
+data source and either fix the issue or use a different type of data source.