diff --git a/BUILDING.md b/BUILDING.md
index a5d4678081ab7c..04f65c226e123f 100644
--- a/BUILDING.md
+++ b/BUILDING.md
@@ -74,9 +74,13 @@ make -f Makefile-Standalone
 # From top of clean tree
 ./bootstrap
 
-mkdir out
-cd out
-../configure
+mkdir build/<CONFIG>
+cd build/<CONFIG>
+../../configure <CONFIG ARGUMENTS>
+```
+Where `<CONFIG>` is something that describes what configuration (as described by `<CONFIG ARGUMENTS>`
+of the tree you're planning to build, or simply `out` if you're not feeling creative.
+```
 
 # Build libraries
 make