diff --git a/doc/man-pageant.but b/doc/man-pageant.but
index 55c15612..3b8cdcec 100644
--- a/doc/man-pageant.but
+++ b/doc/man-pageant.but
@@ -196,7 +196,8 @@ Pageant.
 \lcont{
 
 After Pageant prints its environment setup commands, it closes its
-standard output, so that the parent process can simply read until it
+standard output. So if the parent process has run it in a pipe to
+retrieve the environment setup commands, it can simply read until it
 receives EOF, instead of having to know how many lines of output to
 expect.