diff --git a/README-1ST b/README-1ST
index 84fc753f..56aa2314 100644
--- a/README-1ST
+++ b/README-1ST
@@ -20,8 +20,13 @@ you, you simply need to create it):
     $ ./acprep opt make
     $ ./acprep debug make
 
-Now install the optimized version, but know that you have 'build/ledger/debug'
-available for testing and more useful bug reports.
+Now install the optimized version:
+
+    $ cd build/ledger/opt
+    $ sudo make install
+
+but know that you have 'build/ledger/debug' available for testing and
+for more useful bug reports.
 
 ===============================================================================
 COMMON CONFIGURE/BUILD PROBLEMS: