add note re linux password managers

diff --git a/doc/installing.rst b/doc/installing.rst
index b950d5a554c9ad1a127090071a858c20d25e58ad..7606664607f5739ef7afefaa243aa043cf2499fe 100644 (file)
--- a/doc/installing.rst
+++ b/doc/installing.rst
@@ -18,6 +18,9 @@ and then use their package managers to install the desktop sync client. Linux
 users will also update their sync clients via package manager, and the client 
 will display a notification when an update is available.
 
+Linux users must also have a password manager enabled, such as GNOME Keyring or
+KWallet, so that the sync client can login automatically.
+
 Improvements and New Features
 -----------------------------