diff --git a/esv.1 b/esv.1
index 864cb0e..4dd81b5 100644
--- a/esv.1
+++ b/esv.1
@@ -28,6 +28,16 @@ Verses can be provided in the format of
 .Em chapter:verse ,
 and
 .Em chapter:verse-verse .
+If the name of your desired book has a space in it, e.g.
+.Dq "1 Corinthians" ,
+you can put an underscore in the place of the space,
+or you can just pass the full book name with the space
+by surrounding the argument with quotes in your shell.
+Both
+.Dq 1_Corinthians
+and
+.Dq "1 Corinthians"
+are valid book names.
 .Pp
 By default,
 .Xr mpg123 1