doc(ReleaseNotes): clarify known issue message (#2312)

Author: emorway-usgs

doc/ReleaseNotes/ReleaseNotes.tex

@@ -230,7 +230,7 @@ \section{Known Issues and Incompatibilities}
 If a GWF-GWF Exchange is active, then neither of the connected GWF Models can have an active Viscosity (VSC) Package.
 
 \item 
-If a GWT-GWT Exchange is active, then constant concentration conditions cannot be assigned on the interface between the two connected models.  
+If a GWT-GWT or GWE-GWE Exchange is active, then constant concentration (CNC) or constant temperature (CTP) conditions should not be assigned on the interface between the two connected models because the budget reported in the listing file will contain errors.  
 
 \end{enumerate}