Fix test steps for 64-bit bionic

Change-Id: Ibe76f22cdb5c0dbc69a24ffd0acffff89686ca35
diff --git a/README.md b/README.md
index 79bb72a..72b7124 100644
--- a/README.md
+++ b/README.md
@@ -194,14 +194,15 @@
 ### Device tests
 
     $ mma
+    $ adb remount
     $ adb sync
     $ adb shell /data/nativetest/bionic-unit-tests/bionic-unit-tests32
     $ adb shell \
         /data/nativetest/bionic-unit-tests-static/bionic-unit-tests-static32
     # Only for 64-bit targets
-    $ adb shell /data/nativetest/bionic-unit-tests/bionic-unit-tests64
+    $ adb shell /data/nativetest64/bionic-unit-tests/bionic-unit-tests64
     $ adb shell \
-        /data/nativetest/bionic-unit-tests-static/bionic-unit-tests-static64
+        /data/nativetest64/bionic-unit-tests-static/bionic-unit-tests-static64
 
 ### Host tests