diff --git a/README.md b/README.md
index c392f5a..8007def 100644
--- a/README.md
+++ b/README.md
@@ -31,13 +31,48 @@ saved in a file called '.dau.json' in your home directory.
 The first time you run it, you will need to configure at least the discord web hook and the watch path for
 `dau` to be useful.
 
-While running, `dau` will continually scan a directory for new images, and each time it finds one it will
-upload it to discord, via the discord web hook.
+While running, `dau` will continually scan a directory for new images, and each time it finds one it will upload it to discord, via the discord web hook.
 
 `dau` will only upload "new" screenshots, where "new" means a file that appears in a directory that it is watching, if it appears *after* it has started executing.
 
 Thus, you do not have to worry about pointing `dau` at a directory full of images, it will only upload new ones.
 
+## Configuration options
+
+See the web interface at http://localhost:9090 to configure `dau`.
+
+### 'Discord WebHook URL'
+
+The webhook URL from Discord. See https://support.discordapp.com/hc/en-us/articles/228383668-Intro-to-Webhooks
+for more information on setting one up.
+
+### 'Bot Username'
+
+This is completely optional and can be any arbitrary string. It makes the upload
+appear to come from a different user (though this is visual only, and does not
+actually hide the bot identity in any way). You might like to set it to your own
+discord name.
+
+### 'Directory to watch'
+
+This is the path that `dau` will periodically inspect, looking for new images.
+Note that subdirectories are also scanned. You need to enter the full filesystem
+path here.
+
+### 'Period between filesystem checks'
+
+This is the number of seconds between which `dau` will look for new images.
+
+### 'Do not watermark images'
+
+This will disable the watermarking of images. I like it when you don't set this :-)
+
+### 'Files to exclude'
+
+This is a string to match against the filename to check for exclusions. The common
+use case is to use 'thumbnail' or similar if your image directory contains additional
+thumbnail files.
+
 ## Limitations/bugs
 
 * Only files ending jpg, gif or png are uploaded.
diff --git a/config/config.go b/config/config.go
index 300e371..8505380 100644
--- a/config/config.go
+++ b/config/config.go
@@ -34,7 +34,7 @@ func LoadOrInit() {
     Config.Watch = 10
     SaveConfig()
   } else {
-     LoadConfig()
+    LoadConfig()
   }
 }
 
diff --git a/data/config.html b/data/config.html
index 0377f50..a10c6b8 100644
--- a/data/config.html
+++ b/data/config.html
@@ -81,6 +81,21 @@
      </div>
    </form>
 
+   <form class="">
+     <div class="form-row align-items-center config-item" data-key="exclude">
+       <div class="col-sm-5 my-1">
+         <span>Files to exclude</span>
+       </div>
+       <div class="col-sm-4 my-1">
+         <label class="sr-only" for="input-exclude">Name</label>
+         <input type="text" id="input-exclude" class="form-control rest-field" placeholder="">
+       </div>
+       <div class="col-auto my-1">
+         <button type="submit" class="btn btn-primary">update</button>
+       </div>
+     </div>
+   </form>
+
  </main>
 
 
diff --git a/dau.go b/dau.go
index b70135c..f92dbc4 100644
--- a/dau.go
+++ b/dau.go
@@ -114,7 +114,6 @@ func checkUpdates() {
 func parseOptions() {
 
 	// Declare the flags to be used
-	excludeFlag := getopt.StringLong("exclude", 'x', "", "exclude files containing this string")
 	helpFlag := getopt.BoolLong("help", 'h', "help")
 	versionFlag := getopt.BoolLong("version", 'v', "show version")
 	getopt.SetParameters("")
@@ -132,15 +131,8 @@ func parseOptions() {
 		os.Exit(0)
 	}
 
-	// if !getopt.IsSet("webhook") {
-	// 	log.Fatal("ERROR: You must specify a --webhook URL")
-	// }
-
 	// grab the config
 	config.LoadOrInit()
-
-	// overrides from command line
-	config.Config.Exclude = *excludeFlag
 }
 
 func checkFile(path string, f os.FileInfo, err error) error {
diff --git a/web/server.go b/web/server.go
index 9af4f98..b1e28a7 100644
--- a/web/server.go
+++ b/web/server.go
@@ -247,6 +247,30 @@ func getSetDirectory(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
+func getSetExclude(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Content-Type", "application/json")
+
+	if r.Method == "GET" {
+		getResponse := valueStringResponse{Success: true, Value: config.Config.Exclude}
+		// I can't see any way this will fail
+		js, _ := json.Marshal(getResponse)
+		w.Write(js)
+	} else if r.Method == "POST" {
+		err := r.ParseForm()
+		if err != nil {
+			log.Fatal(err)
+		}
+		config.Config.Exclude = r.PostForm.Get("value")
+		config.SaveConfig()
+
+		postResponse := valueStringResponse{Success: true, Value: config.Config.Exclude}
+
+		js, _ := json.Marshal(postResponse)
+		w.Write(js)
+	}
+}
+
+
 func StartWebServer() {
 	http.HandleFunc("/", getStatic)
 	http.HandleFunc("/rest/config/webhook", getSetWebhook)
@@ -254,6 +278,8 @@ func StartWebServer() {
 	http.HandleFunc("/rest/config/watch", getSetWatch)
 	http.HandleFunc("/rest/config/nowatermark", getSetNoWatermark)
 	http.HandleFunc("/rest/config/directory", getSetDirectory)
+	http.HandleFunc("/rest/config/exclude", getSetExclude)
+
 
 	log.Print("Starting web server on http://localhost:9090")
 	err := http.ListenAndServe(":9090", nil) // set listen port