diff --git a/source/containers.tex b/source/containers.tex
index e328678f96..109368b267 100644
--- a/source/containers.tex
+++ b/source/containers.tex
@@ -10704,7 +10704,7 @@
 
 \pnum
 \throws
-When and what \tcode{to_address(first)} throws.
+Nothing.
 \end{itemdescr}
 
 \indexlibraryctor{span}%
@@ -10747,7 +10747,7 @@
 
 \pnum
 \throws
-When and what \tcode{to_address(first)} throws.
+Nothing.
 \end{itemdescr}
 
 \indexlibraryctor{span}%