diff --git a/source/meta.tex b/source/meta.tex
index 856cdf12bf..743d89ace5 100644
--- a/source/meta.tex
+++ b/source/meta.tex
@@ -3259,7 +3259,7 @@
 
 \pnum
 \begin{note}
-$P$ is a potentially non-unique object\iref{intro.object}.
+When \tcode{r} is not empty, $P$ is a potentially non-unique object\iref{intro.object}.
 \end{note}
 \end{itemdescr}