diff --git a/man5/locale.5 b/man5/locale.5
index e5f61aeb7..c34ee872d 100644
--- a/man5/locale.5
+++ b/man5/locale.5
@@ -57,7 +57,7 @@ the only valid keyword in the definition is
 followed by the name of the locale which should be copied.
 .\" FIXME glibc 2.2.2 added new nonstandard locale categories:
 .\" LC_ADDRESS, LC_IDENTIFICATION, LC_MEASUREMENT, LC_NAME,
-.\" LC_PAPER, LC_TELEPHONE.  These need to be documented.
+.\" LC_TELEPHONE.  These need to be documented.
 .SS Locale category sections
 The following category sections are defined by POSIX:
 .IP * 3
@@ -537,6 +537,23 @@ The
 .B LC_NUMERIC
 definition ends with the string
 .IR "END LC_NUMERIC" .
+.SS LC_PAPER
+The definition starts with the string
+.B LC_PAPER
+in the first column.
+
+The following keywords are allowed:
+.TP
+.I height
+followed by the height, in millimeters, of the standard paper format.
+.TP
+.I width
+followed by the width, in millimeters, of the standard paper format.
+.PP
+The
+.B LC_PAPER
+definition ends with the string
+.IR "END LC_PAPER" .
 .SS LC_TIME
 The definition starts with the string
 .B LC_TIME