diff --git a/README.md b/README.md
index faec703..471bdea 100644
--- a/README.md
+++ b/README.md
@@ -53,7 +53,7 @@ are regenerated on each release — patches cannot be merged directly.
 Report problems (or send patches) to the author; accepted changes are
 applied to the development tree and appear in a following snapshot.
 
-This snapshot was assembled from development commit `9d6f66456a3d`.
+This snapshot was assembled from development commit `c59774b8252d`.
 
 ## License
 
diff --git a/doc/install/windows_source_install.md b/doc/install/windows_source_install.md
index c164194..0526d2a 100644
--- a/doc/install/windows_source_install.md
+++ b/doc/install/windows_source_install.md
@@ -21,6 +21,13 @@ container images run on Windows through Docker Desktop, which that page
 also describes. This page is the native route: Windows programs, no
 Linux layer.
 
+**Before you start.** The prerequisites install for all users of the
+machine, so the account you use must be an administrator, which on a
+personal machine it normally is; the build and everyday use need no
+special rights. Allow an hour or two the first time: the downloads are
+about a gigabyte in all, TeX Live alone takes twenty to thirty minutes,
+and the build a few minutes. Nothing here needs to be done twice.
+
 
 ## Prerequisites