diff --git a/man5/locale.5 b/man5/locale.5
index c98332221..0e3922156 100644
--- a/man5/locale.5
+++ b/man5/locale.5
@@ -249,9 +249,6 @@ The definition starts with the string
 in the first column.
 
 The following keywords are allowed:
-.\" FIXME The following LC_CTYPE keywords are not documented:
-.\"	translit_start + translit_end
-.\"	include
 .TP
 .I upper
 followed by a list of uppercase letters.
@@ -460,6 +457,34 @@ for input digits for the locale.
 followed by a list of mapping pairs of
 alternate separators
 for output for the locale.
+.TP
+.I translit_start
+marks the start of the transliteration rules section.
+The section can contain the
+.I include
+keyword in the beginning followed by
+locale specific rules and overrides.
+Any rule specified in the locale file
+will override any rule
+copied or included from other files.
+In case of duplicate rule definitions in the locale file,
+only the first rule is used.
+
+A transliteration rule consist of a character to be transliterated
+followed by a list of transliteration targets separated by semicolons.
+The first target which can be presented in the target character set
+is used, if none of them can be used the
+.I default_missing
+character will be used instead.
+.TP
+.I include
+in the transliteration rules section includes
+a transliteration rule file
+(and optionally a repertoire map file)
+.
+.TP
+.I translit_end
+marks the end of the transliteration rules.
 .PP
 The
 .B LC_CTYPE