Index: trunk/doc/release.2015/ps1.datasystem/datasystem.tex
===================================================================
--- trunk/doc/release.2015/ps1.datasystem/datasystem.tex	(revision 39958)
+++ trunk/doc/release.2015/ps1.datasystem/datasystem.tex	(revision 39964)
@@ -810,5 +810,5 @@
 considered.  A \ippdbcolumn{projection\_cell} is a unit of sky defined
 to be a square four degrees on each side which has a single tangent
-plane projection \citep[][see]{watersc2017}.  Once this entry is
+plane projection \citep[][see]{waters2017}.  Once this entry is
 defined, is is populated with exposures (stored in the
 \ippdbtable{lapExp} table in the database), with any exposure located