diff --git a/Cargo.lock b/Cargo.lock
index bdca66b..2de1a38 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -424,7 +424,7 @@ dependencies = [
 
 [[package]]
 name = "datatrash"
-version = "2.2.2"
+version = "2.3.0"
 dependencies = [
  "actix-files",
  "actix-governor",
diff --git a/Cargo.toml b/Cargo.toml
index 85c071d..1c6c115 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "datatrash"
-version = "2.2.2"
+version = "2.3.0"
 authors = ["neri"]
 edition = "2021"
 
diff --git a/static/index.css b/static/index.css
index cb978be..96382f9 100644
--- a/static/index.css
+++ b/static/index.css
@@ -157,6 +157,19 @@ a.button:visited {
   color: var(--fg-light);
 }
 
+.usage > p {
+  display: flex;
+  flex-direction: column;
+}
+
+.usage > p > label {
+  font-weight: 500;
+}
+
+.usage > p > code {
+  margin-left: 1rem;
+}
+
 .large-link {
   display: inline-block;
   margin-bottom: 1em;
diff --git a/static/origin.js b/static/origin.js
new file mode 100644
index 0000000..610addc
--- /dev/null
+++ b/static/origin.js
@@ -0,0 +1,4 @@
+const originSpans = document.querySelectorAll(".origin");
+for (const originSpan of originSpans) {
+  originSpan.textContent = window.location.origin;
+}
diff --git a/template/index.html b/template/index.html
index 7641fc9..183c352 100644
--- a/template/index.html
+++ b/template/index.html
@@ -40,22 +40,41 @@
       </form>
       <details class="usage">
         <summary>nutzung als api</summary>
-        <pre>
-datei hochladen
-  curl -F 'file=@yourfile.rs' &lt;domain&gt;/upload
-
-text hochladen
-  curl -F 'text=your text' &lt;domain&gt;/upload
-
-zeitbegrenzung setzen
-  curl -F 'text=your text' -F 'keep_for=1800' &lt;domain&gt;/upload
-
-nach einem download löschen
-  curl -F 'text=your text' -F 'delete_on_download=true' &lt;domain&gt;/upload
-
-authentifizieren
-  curl -F 'text=your text' -F 'password=…' &lt;domain&gt;/upload</pre
-        >
+        <p>
+          <label for="upload-file">datei hochladen</label>
+          <code id="upload-file"
+            >curl -F 'file=@yourfile.rs'
+            <span class="origin">&lt;origin&gt;</span>/upload</code
+          >
+        </p>
+        <p>
+          <label for="upload-text">text hochladen</label>
+          <code id="upload-text"
+            >curl -F 'text=your text'
+            <span class="origin">&lt;origin&gt;</span>/upload</code
+          >
+        </p>
+        <p>
+          <label for="upload-with-time">zeitbegrenzung setzen</label>
+          <code id="upload-with-time"
+            >curl -F 'text=your text' -F 'keep_for=1800'
+            <span class="origin">&lt;origin&gt;</span>/upload</code
+          >
+        </p>
+        <p>
+          <label for="upload-with-delete">nach einem download löschen</label>
+          <code id="upload-with-delete"
+            >curl -F 'text=your text' -F 'delete_on_download=true'
+            <span class="origin">&lt;origin&gt;</span>/upload</code
+          >
+        </p>
+        <p>
+          <label for="upload-with-auth">authentifizieren</label>
+          <code id="upload-with-auth"
+            >curl -F 'text=your text' -F 'password=…'
+            <span class="origin">&lt;origin&gt;</span>/upload</code
+          >
+        </p>
       </details>
     </main>
     <footer>
@@ -69,5 +88,6 @@ authentifizieren
       </a>
     </footer>
     <script src="/static/paste.js"></script>
+    <script src="/static/origin.js"></script>
   </body>
 </html>