diff --git a/README.md b/README.md
index 5b517bf..522a9b2 100644
--- a/README.md
+++ b/README.md
@@ -1,14 +1,14 @@
-# Humangehalt™
+# Humangehalt®
-**Humangehalt** is a concise term for the share of **human authorship** in a work.
+**Humangehalt®** is a concise term for the share of **human authorship** in a work.
It expresses how much thinking, decision-making, writing/creating, and responsibility genuinely came from a person — as opposed to being generated or shaped by automated systems such as AI.
-Humangehalt is a **self-assessment**, not a measurement, certification, or quality seal.
+Humangehalt® is a **self-assessment**, not a measurement, certification, or quality seal.
---
@@ -18,7 +18,7 @@ This repository contains the source for the public landing page at:
👉
-The page introduces and defines the concept of *Humangehalt* in a clear, minimal form.
+The page introduces and defines the concept of *Humangehalt®* in a clear, minimal form.
There is **no software product**, **no library**, and **no ongoing development** here.
@@ -52,7 +52,7 @@ The **Humangehalt** mark (`H/`) may be used as a symbol on works to indicate the
---
-## What Humangehalt expresses
+## What Humangehalt® expresses
Humangehalt refers to the parts of a work that are genuinely attributable to human authorship, such as:
@@ -67,7 +67,7 @@ Humangehalt can be applied to texts, software, documentation, images, audio, vid
---
-## What Humangehalt is not
+## What Humangehalt® is not
Humangehalt is **not**:
@@ -95,7 +95,7 @@ The notation should not be presented as a badge, score, or certification symbol.
## Trademark notice
-**Humangehalt™** is a trademark claim by the author.
+**Humangehalt®** is a registered trade mark in the European Union.
It is used to identify the concept and its definition.
---
diff --git a/index.html b/index.html
index 30286e2..a3eaa4c 100644
--- a/index.html
+++ b/index.html
@@ -3,14 +3,14 @@
- Humangehalt
+ Humangehalt®
-
+