Clarify in ChangeLog that zxIF was a PNG chunk.

diff --git a/ChangeLog b/ChangeLog
index f400208c1bd59eb0a737ca756ce2d6da1f826c88..22d1ecbb2d55abd5cf11930a0112b0a3a70b4ee2 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,7 +2,7 @@
   * Release ImageMagick version 7.0.5-10, GIT revision 20155:38ebc02:20170602.
 
 2017-06-01  7.0.5-10 Glenn Randers-Pehrson <glennrp@image...>
-  * Removed experimental zxIF chunk support; the proposal is dead.
+  * Removed experimental PNG zxIF chunk support; the proposal is dead.
 
 2017-06-01  7.0.5-10 Cristy  <quetzlzacatenango@image...>
   * Fix choppy bitmap font rendering (reference