diff --git a/doc/imapstorage.txt b/doc/imapstorage.txt
index 315e905a1b..0dd6633718 100644
--- a/doc/imapstorage.txt
+++ b/doc/imapstorage.txt
@@ -105,10 +105,10 @@ imapflags=<IMAP flags, "novalidate-cert" for example>
 expungeonhangup=<yes or no>
 authuser=<username>
 authpassword=<password>
-opentimeout=<TCP open timeout in seconds>
-closetimeout=<TCP close timeout in seconds>
-readtimeout=<TCP read timeout in seconds>
-writetimeout=<TCP write timeout in seconds>
+imapopentimeout=<TCP open timeout in seconds>
+imapclosetimeout=<TCP close timeout in seconds>
+imapreadtimeout=<TCP read timeout in seconds>
+imapwritetimeout=<TCP write timeout in seconds>
 
 The "expungeonhangup" flag is used to determine if the voicemail system should
 expunge all messages marked for deletion when the user hangs up the phone.