readme: test instructions for NDK
diff --git a/tests/README.md b/tests/README.md
index adcd5ff..7ab8453 100644
--- a/tests/README.md
+++ b/tests/README.md
@@ -22,11 +22,13 @@
They may already be set. If not, then this may work on Mac OS:
export ANDROID_HOME=$HOME/Library/Android/sdk
- export ANDROID_NDK=$ANDROID_HOME/ndk-bundle
or this may work on Linux:
export ANDROID_HOME=$HOME/Android/Sdk
+
+Now we need to determine the latest installed version of the NDK. Enter:
+
ls $ANDROID_HOME/ndk
Make note of the folder name. Mine was "21.0.6113669" so I entered: