diff --git a/offlineimap.conf b/offlineimap.conf
index 2f0e57a..6b64fa5 100644
--- a/offlineimap.conf
+++ b/offlineimap.conf
@@ -739,7 +739,7 @@ remotehost = examplehost
 #
 # It is best to leave this unset, in which case the correct version will be
 # automatically detected. In rare cases, it may be necessary to specify a
-# particular version from: tls1, tls1_1, tls_1_2, ssl3, ssl23.
+# particular version from: tls1, tls1_1, tls1_2, ssl3, ssl23.
 #
 # tls1_1 and tls1_2 are available with OpenSSL since v1.0.1.
 #