diff --git a/qutebrowser/config/configdata.py b/qutebrowser/config/configdata.py
index df673a50b..dd3ef7269 100644
--- a/qutebrowser/config/configdata.py
+++ b/qutebrowser/config/configdata.py
@@ -488,13 +488,13 @@ def data(readonly=False):
         ('input', sect.KeyValue(
             ('timeout',
              SettingValue(typ.Int(minval=0, maxval=MAXVALS['int']), '500'),
-             "Timeout for ambiguous key bindings.\n\n"
+             "Timeout (in milliseconds) for ambiguous key bindings.\n\n"
              "If the current input forms both a complete match and a partial "
              "match, the complete match will be executed after this time."),
 
             ('partial-timeout',
              SettingValue(typ.Int(minval=0, maxval=MAXVALS['int']), '5000'),
-             "Timeout for partially typed key bindings.\n\n"
+             "Timeout (in milliseconds) for partially typed key bindings.\n\n"
              "If the current input forms only partial matches, the keystring "
              "will be cleared after this time."),
 
@@ -933,7 +933,7 @@ def data(readonly=False):
 
             ('auto-follow-timeout',
              SettingValue(typ.Int(), '0'),
-             "A timeout to inhibit normal-mode key bindings after a successful"
+             "A timeout (in milliseconds) to inhibit normal-mode key bindings after a successful"
              "auto-follow."),
 
             ('next-regexes',