Change small sample to drop_compiler_hints.

diff --git a/docs/developer_overview.md b/docs/developer_overview.md
index 74174b4..c2b25d2 100644
--- a/docs/developer_overview.md
+++ b/docs/developer_overview.md

@@ -76,13 +76,14 @@
 `FileCheck` should be used to test the generated output.
 
 Here's an example of a small compiler pass running on a
-[test file](https://github.com/google/iree/blob/master/iree/compiler/Dialect/VM/Transforms/test/mark_public_symbols_exported.mlir):
+[test file](https://github.com/google/iree/blob/master/iree/compiler/Dialect/IREE/Transforms/test/drop_compiler_hints.mlir):
 
 ```shell
 $ bazel run iree/tools:iree-opt -- \
-  -iree-vm-mark-public-symbols-exported \
-  -iree-hal-target-backends=vmla \
-  $PWD/iree/compiler/Dialect/VM/Transforms/test/mark_public_symbols_exported.mlir
+  -split-input-file \
+  -print-ir-before-all \
+  -iree-drop-compiler-hints \
+  $PWD/iree/compiler/Dialect/IREE/Transforms/test/drop_compiler_hints.mlir
 ```
 
 For a more complex example, here's how to run IREE's complete transformation

diff --git a/iree/compiler/Dialect/IREE/Transforms/test/drop_compiler_hints.mlir b/iree/compiler/Dialect/IREE/Transforms/test/drop_compiler_hints.mlir
index ef76d07..9486f96 100644
--- a/iree/compiler/Dialect/IREE/Transforms/test/drop_compiler_hints.mlir
+++ b/iree/compiler/Dialect/IREE/Transforms/test/drop_compiler_hints.mlir

@@ -1,5 +1,8 @@
 // RUN: iree-opt -split-input-file -iree-drop-compiler-hints %s | IreeFileCheck --implicit-check-not="iree.do_not_optimize" %s
 
+// This file is used as an example in docs/developer_overview.md.
+// If you move or delete it, please update the documentation accordingly.
+
 // CHECK-LABEL: @constant
 func @constant() -> i32 {
   // CHECK-NEXT: %[[C1:.+]] = constant 1

diff --git a/iree/compiler/Dialect/VM/Transforms/test/mark_public_symbols_exported.mlir b/iree/compiler/Dialect/VM/Transforms/test/mark_public_symbols_exported.mlir
index 1602b2c..8bd5256 100644
--- a/iree/compiler/Dialect/VM/Transforms/test/mark_public_symbols_exported.mlir
+++ b/iree/compiler/Dialect/VM/Transforms/test/mark_public_symbols_exported.mlir

@@ -1,8 +1,5 @@
 // RUN: iree-opt -split-input-file -iree-vm-mark-public-symbols-exported %s | IreeFileCheck %s
 
-// This file is used as an example in docs/developer_overview.md.
-// If you move or delete it, please update the documentation accordingly.
-
 // CHECK-LABEL: @private_symbol
 // CHECK-SAME: {sym_visibility = "private"}
 func @private_symbol() attributes {sym_visibility = "private"}