diff --git a/feedback.go b/feedback.go
index 21c9743..fbc5616 100644
--- a/feedback.go
+++ b/feedback.go
@@ -64,6 +64,7 @@ type Item struct {
 	vars         map[string]string
 	mods         map[string]*Modifier
 	icon         *Icon
+	noUID        bool // Suppress UID in JSON
 }
 
 // Title sets the title of the item in Alfred's results
@@ -95,6 +96,9 @@ func (it *Item) Arg(s string) *Item {
 // UID sets Item's unique ID, which is used by Alfred to remember your choices.
 // Use a blank string to force results to appear in the order you add them.
 func (it *Item) UID(s string) *Item {
+	if it.noUID {
+		s = ""
+	}
 	it.uid = &s
 	return it
 }
@@ -331,19 +335,16 @@ func (m *Modifier) MarshalJSON() ([]byte, error) {
 // It is important to use the constructor functions for Feedback, Item
 // and Modifier structs.
 type Feedback struct {
-	// Items are the results to be sent to Alfred.
-	Items []*Item
-	rerun float64           // Tell Alfred to re-run Script Filter.
-	sent  bool              // Set to true when feedback has been sent.
-	vars  map[string]string // Top-level feedback variables.
+	Items  []*Item           // The results to be sent to Alfred.
+	NoUIDs bool              // If true, suppress Item UIDs.
+	rerun  float64           // Tell Alfred to re-run Script Filter.
+	sent   bool              // Set to true when feedback has been sent.
+	vars   map[string]string // Top-level feedback variables.
 }
 
 // NewFeedback creates a new, initialised Feedback struct.
 func NewFeedback() *Feedback {
-	fb := &Feedback{}
-	fb.Items = []*Item{}
-	fb.vars = map[string]string{}
-	return fb
+	return &Feedback{Items: []*Item{}, vars: map[string]string{}}
 }
 
 // Var sets an Alfred variable for subsequent workflow elements.
@@ -381,7 +382,7 @@ func (fb *Feedback) IsEmpty() bool { return len(fb.Items) == 0 }
 // The Item inherits any workflow variables set on the Feedback parent at
 // time of creation.
 func (fb *Feedback) NewItem(title string) *Item {
-	it := &Item{title: title, vars: map[string]string{}}
+	it := &Item{title: title, vars: map[string]string{}, noUID: fb.NoUIDs}
 	fb.Items = append(fb.Items, it)
 	return it
 }
diff --git a/magic.go b/magic.go
index 5db6c72..0b49e43 100644
--- a/magic.go
+++ b/magic.go
@@ -12,6 +12,7 @@ import (
 	"fmt"
 	"log"
 	"os"
+	"os/exec"
 	"strings"
 )
 
@@ -35,13 +36,20 @@ var (
 // interface for full documentation.
 type MagicActions map[string]MagicAction
 
-// Register adds a MagicArgument to the mapping. Previous entries are overwritten.
+// Register adds a MagicAction to the mapping. Previous entries are overwritten.
 func (ma MagicActions) Register(actions ...MagicAction) {
 	for _, action := range actions {
 		ma[action.Keyword()] = action
 	}
 }
 
+// Unregister removes a MagicAction from the mapping (based on its keyword).
+func (ma MagicActions) Unregister(actions ...MagicAction) {
+	for _, action := range actions {
+		delete(ma, action.Keyword())
+	}
+}
+
 // Args runs a magic action or returns command-line arguments.
 // It parses args for magic actions. If it finds one, it takes
 // control of your workflow and runs the action.
@@ -116,10 +124,11 @@ func (ma MagicActions) Args(args []string, prefix string) []string {
 //    <prefix>deldata   | Delete everything in the workflow's data directory.
 //    <prefix>delcache  | Delete everything in the workflow's cache directory.
 //    <prefix>reset     | Delete everything in the workflow's data and cache directories.
+//    <prefix>help      | Open help URL in default browser.
+//                      | Only registered if you have set a HelpURL.
 //    <prefix>update    | Check for updates and install a newer version of the workflow
 //                      | if available.
-//                      | Only registered if you have set an Updater via SetUpdater()
-//                      | or the GitHub value in Options.
+//                      | Only registered if you have set an Updater.
 //
 type MagicAction interface {
 	// Keyword is what the user must enter to run the action after
@@ -183,6 +192,19 @@ func (a resetMagic) Description() string { return "Delete all saved and cached w
 func (a resetMagic) RunText() string     { return "Deleted workflow saved and cached data" }
 func (a resetMagic) Run() error          { return Reset() }
 
+// Opens URL in default browser.
+type helpMagic struct {
+	URL string
+}
+
+func (a helpMagic) Keyword() string     { return "help" }
+func (a helpMagic) Description() string { return "Open workflow help URL in default browser" }
+func (a helpMagic) RunText() string     { return "Opening help in your browser…" }
+func (a helpMagic) Run() error {
+	cmd := exec.Command("open", a.URL)
+	return cmd.Run()
+}
+
 // Updates the workflow if a newer release is available.
 type updateMagic struct {
 	updater Updater
diff --git a/update/update.go b/update/update.go
index f05896c..0e1b4aa 100644
--- a/update/update.go
+++ b/update/update.go
@@ -215,7 +215,7 @@ func (u *Updater) Install() error {
 
 // cachePath returns a filepath within AwGo's update cache directory.
 func (u *Updater) cachePath(filename string) string {
-	dp := util.MustExist(filepath.Join(u.cacheDir, "update"))
+	dp := util.MustExist(filepath.Join(u.cacheDir, "_aw/update"))
 	return filepath.Join(dp, filename)
 }
 
diff --git a/workflow.go b/workflow.go
index fb2c617..f10262b 100644
--- a/workflow.go
+++ b/workflow.go
@@ -24,7 +24,7 @@ import (
 )
 
 // AwGoVersion is the semantic version number of this library.
-const AwGoVersion = "0.10.1"
+const AwGoVersion = "0.11"
 
 var (
 	startTime time.Time // Time execution started
@@ -81,6 +81,12 @@ func (opts options) apply(wf *Workflow) Option {
 func HelpURL(URL string) Option {
 	return func(wf *Workflow) Option {
 		prev := wf.HelpURL
+		ma := &helpMagic{URL}
+		if URL != "" {
+			wf.MagicActions.Register(ma)
+		} else {
+			wf.MagicActions.Unregister(ma)
+		}
 		wf.HelpURL = URL
 		return HelpURL(prev)
 	}
@@ -152,6 +158,20 @@ func SortOptions(opts ...fuzzy.Option) Option {
 	}
 }
 
+// SuppressUIDs prevents UIDs from being set on feedback Items.
+// This turns off Alfred's knowledge, so items will be shown in the order
+// you add them. Useful if you need a particular item to be the top result,
+// e.g. a notification of an update.
+//
+// This setting only applies to Items created *after* it has been set.
+func SuppressUIDs(on bool) Option {
+	return func(wf *Workflow) Option {
+		prev := wf.Feedback.NoUIDs
+		wf.Feedback.NoUIDs = on
+		return SuppressUIDs(prev)
+	}
+}
+
 // Update sets the updater for the Workflow.
 func Update(updater Updater) Option {
 	return func(wf *Workflow) Option {
@@ -506,6 +526,15 @@ func (wf *Workflow) OpenLog() error {
 	return cmd.Run()
 }
 
+func OpenHelp() error { return wf.OpenHelp() }
+func (wf *Workflow) OpenHelp() error {
+	if wf.HelpURL == "" {
+		return errors.New("Help URL is not set")
+	}
+	cmd := exec.Command("open", wf.HelpURL)
+	return cmd.Run()
+}
+
 // --------------------------------------------------------------------
 // Feedback