diff --git a/docs/root/start/building/building.rst b/docs/root/start/building/building.rst
index 25d488a6cd..e76ae9dc85 100644
--- a/docs/root/start/building/building.rst
+++ b/docs/root/start/building/building.rst
@@ -48,7 +48,7 @@ For local builds, set ``ANDROID_HOME`` and ``ANDROID_NDK_HOME`` to point to the
 .. code-block:: bash
 
   ANDROID_HOME=$HOME/Library/Android/sdk
-  ANDROID_SDK_HOME=$HOME/Library/Android/ndk/21.3.6528147
+  ANDROID_NDK_HOME=$HOME/Library/Android/ndk/21.3.6528147
 
 See `ci/mac_ci_setup.sh` for the specific NDK version used during builds.