diff --git a/CHANGES b/CHANGES
index 3a3579bea..07ac2bcba 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4,8 +4,9 @@ v2016.3-dev 2016-08-05
  - Start v2016.3
  - Add target environment enums for OpenCL 2.1, OpenCL 2.2,
    OpenGL 4.0, OpenGL 4.1, OpenGL 4.2, OpenGL 4.3, OpenGL 4.5.
-- Fixes issues:
+ - Fixes issues:
    #288: Check def-use dominance rules for OpPhi (variable,parent) operands
+ - Add optimization pass: Eliminate dead constants.
 
 v2016.2 2016-08-05
  - Validator is incomplete
diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index 8ac3fa977..6b3d378dd 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -54,6 +54,8 @@ Options:
   --freeze-spec-const
                Freeze the values of specialization constants to their default
                values.
+  --eliminiate-dead-const
+               Eliminate dead constants.
   -h, --help   Print this help.
   --version    Display optimizer version information.
 )",