Document that --version doesn't need to be run from a workspace

PiperOrigin-RevId: 276337578
diff --git a/site/docs/user-manual.html b/site/docs/user-manual.html
index 4e3d678..9fd79f2 100644
--- a/site/docs/user-manual.html
+++ b/site/docs/user-manual.html
@@ -2431,7 +2431,10 @@
 <p>
   <code>bazel --version</code>, with no other args, will emit the same output as
   <code>bazel version --gnu_format</code>, except without the side-effect of potentially starting
-  a Bazel server.
+  a Bazel server or unpacking the server archive.
+</p>
+<p>
+  <code>bazel --version</code> can be run from anywhere - it does not require a workspace directory.
 </p>
 
 <h3 id='mobile-install'>The <code>mobile-install</code> command</h3>