Clarify the meaning of "nothing"

PiperOrigin-RevId: 222844661
diff --git a/site/docs/user-manual.html b/site/docs/user-manual.html
index 198ae4a..542d5e5 100644
--- a/site/docs/user-manual.html
+++ b/site/docs/user-manual.html
@@ -1438,7 +1438,7 @@
 
 <p>
   On Linux/macOS you can pass <code class='flag'>--workspace_status_command=/bin/true</code> to
-  disable retrieving workspace status, because <code>true</code> does nothing successfully (exits
+  disable retrieving workspace status, because <code>true</code> does nothing, successfully (exits
   with zero) and prints no output. On Windows you can pass the path of MSYS's <code>true.exe</code>
   for the same effect.
 </p>