Index: etc/digest_mapping.example
===================================================================
--- etc/digest_mapping.example	(revision 182)
+++ etc/digest_mapping.example	(working copy)
@@ -1,4 +1,5 @@
 # Mapping for certificate sha1 digest
 # Format: Cert SHA1 digest (hexdot) -> login
 #
-90:17:64:09:4C:42:D6:9C:91:52:7F:1C:86:00:23:DC:BB:5D:27:50 -> jantonio
+# Example:
+# 90:17:64:09:4C:42:D6:9C:91:52:7F:1C:86:00:23:DC:BB:5D:27:50 -> jantonio
Index: etc/subject_mapping.example
===================================================================
--- etc/subject_mapping.example	(revision 182)
+++ etc/subject_mapping.example	(working copy)
@@ -1,4 +1,5 @@
 # Mapping file for Certificate Subject
 # format: Certificate Subject -> login
 #
-/C=ES/O=FNMT/OU=FNMT Clase 2 CA/OU=500051483/CN=NOMBRE MARTINEZ CASTA\xF1O JUAN ANTONIO - NIF 50431138G -> jantonio
+# Example:
+# /C=ES/O=FNMT/OU=FNMT Clase 2 CA/OU=500051483/CN=NOMBRE MARTINEZ CASTA\xF1O JUAN ANTONIO - NIF 50431138G -> jantonio
Index: etc/mail_mapping.example
===================================================================
--- etc/mail_mapping.example	(revision 182)
+++ etc/mail_mapping.example	(working copy)
@@ -1,7 +1,8 @@
 # mapping file for Certificate E-email
 # format: email -> login
 #
-jantonio@dit.upm.es -> jantonio
-juan_a_mtnez@yahoo.es -> jantonio
-jonsito@terra.es -> jantonio
-pjpg@dit.upm.es -> pjpg
+# Examples:
+# jantonio@dit.upm.es -> jantonio
+# juan_a_mtnez@yahoo.es -> jantonio
+# jonsito@terra.es -> jantonio
+# pjpg@dit.upm.es -> pjpg