diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6f20cee1..99855141 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@ and the versioning aims to respect [Semantic Versioning](http://semver.org/spec/
 - Change License identifier for pypi [#525](https://github.com/OpenEnergyPlatform/open-MaStR/pull/525)
 - Change header to identify as open-mastr during http request [#526](https://github.com/OpenEnergyPlatform/open-MaStR/pull/526)
 - Fixed missing call to gen_url in case first bulk download fails as xml file for today is not yet available [#534](https://github.com/OpenEnergyPlatform/open-MaStR/pull/534)
+- Repair links in the documentation page [#536](https://github.com/OpenEnergyPlatform/open-MaStR/pull/536)
 ### Removed
 
 ## [v0.14.3] Fix Pypi Release - 2024-04-24 
diff --git a/docs/advanced.md b/docs/advanced.md
index faf071c1..9f5589a7 100644
--- a/docs/advanced.md
+++ b/docs/advanced.md
@@ -139,7 +139,7 @@ If needed, the tables in the database can be obtained as csv files. Those files
 
 For downloading data from the
 [Marktstammdatenregister (MaStR) database](https://www.marktstammdatenregister.de/MaStR)
-via its API a [registration](https://www.marktstammdatenregister.de/MaStRHilfe/files/regHilfen/201108_Handbuch%20f%C3%BCr%20Registrierungen%20durch%20Dienstleister.pdf) is mandatory.
+via its API a [registration](https://www.marktstammdatenregister.de/MaStRHilfe/files/regHilfen/Handbuch_fuer_Registrierungen_durch_Dienstleister.pdf) is mandatory.
 
 To download data from the MaStR API using the `open-MaStR`, the credentials (MaStR user and token) need to be provided in a certain way. Three options exist:
 
diff --git a/open_mastr/soap_api/download.py b/open_mastr/soap_api/download.py
index 04dbdb25..3d7a0b3f 100644
--- a/open_mastr/soap_api/download.py
+++ b/open_mastr/soap_api/download.py
@@ -52,9 +52,11 @@ class MaStRAPI(object):
         mastr_api = MaStRAPI()
     ```
 
-    Now, you can use the MaStR API instance to call [pre-defined SOAP API
-    queries](https://www.marktstammdatenregister.de/MaStRHilfe/files/webdienst/Funktionen_MaStR_Webdienste_V1.2.39.html)
-    via the class' methods.
+    Now, you can use the MaStR API instance to call pre-defined SOAP API
+    queries via the class' methods. A documentation of all API methods
+    is available at the
+    [BNetzA website](https://www.marktstammdatenregister.de/MaStRHilfe/subpages/webdienst.html)
+    within the downloadable zip folder `Dienstbeschreibung Produktion Version X.X.X`
     For example, get a list of units limited to two entries.
 
     ```python