add changelog entry

Author: keflavich

CHANGES

@@ -2,6 +2,7 @@
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 - Fix NASA ADS, which had an internal syntax error (#602)
+- Bugifx in NRAO queries: telescope config was parsed incorrectly (#629)
 - IBE - added new module for locating data from PTF, WISE, and 2MASS from IRSA.
   See <http://irsa.ipac.caltech.edu/ibe/> for more information about IBE and
   <http://www.ptf.caltech.edu/page/ibe> for more information about PTF survey