diff --git a/ChangeLog b/ChangeLog
index e9c33f006..dab00e383 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2011-08-09  Robert Larice
+ * src/spicelib/analysis/dcpss.c :
+   a series of four cleanup patches
+    remove unsed variable `cont_1'
+    reduce scope of variable `tv_01', and use `MAX'
+    reduce scope of variables `fproj' and `err'
+    reduce scope of variable `temp'
+
 2011-08-09  Robert Larice
  * src/main.c
  * src/frontend/plotting/graf.c