diff --git a/RELEASE.TXT b/RELEASE.TXT
index b690f959..e0013d89 100644
--- a/RELEASE.TXT
+++ b/RELEASE.TXT
@@ -63,6 +63,12 @@ Version @PHREEQC_VER@: @PHREEQC_DATE@
 	The ionic strength correction is as follows:
 	Dw(I) = Dw(TK) * exp(-0.46 * DH_A * |z_H+| * I^0.5 / (1 + DH_B * I^0.5 * 1e-10 / (1 + I^0.75)))
 
+	---------
+	svn 12683
+	---------	
+	PHREEQC: Bug fix for -donnan, -debye, and surface related
+	to mineral that has zero moles.
+	
 	---------
 	svn 12623
 	---------