diff --git a/src/cmd/ksh93/sh.1 b/src/cmd/ksh93/sh.1
index 83b1d2fca..ef0932028 100644
--- a/src/cmd/ksh93/sh.1
+++ b/src/cmd/ksh93/sh.1
@@ -2098,7 +2098,7 @@ if executing under
 The value of this variable is expanded for parameter
 expansion, command substitution, and arithmetic substitution to define the
 primary prompt string which by default is
-.RB `` "$\|\|\|" ''.
+.RB `` "$ \|\|\|" ''.
 The character
 .B !
 in the primary prompt string is replaced by the