diff --git a/.github/workflows/ci-tests.yaml b/.github/workflows/ci-tests.yaml
index 1f7a747de..bced8f44d 100644
--- a/.github/workflows/ci-tests.yaml
+++ b/.github/workflows/ci-tests.yaml
@@ -147,7 +147,7 @@ jobs:
           python -m pip install -r docs/requirements.txt
       - name: "Build documentation and check for consistency"
         env:
-          CHECKSUM: "f9d19e96da56a0460a248feb9e946f5f28ea4a8de1c32345e4e60e14f25beb96"
+          CHECKSUM: "7e2e409ccd27784bc58c074ec0d4e9746f7b0ef9ef98762f3a12b2fe38a1913c"
         run: |
           cd docs/
           HASH="$(make checksum | tail -n1)"
diff --git a/docs/source/ext/database.rst b/docs/source/ext/database.rst
index 35b5cf28f..f91bd597e 100644
--- a/docs/source/ext/database.rst
+++ b/docs/source/ext/database.rst
@@ -234,7 +234,7 @@ Each ``get_data`` method receives in input the identifier (commonly the ``persis
 The ``close`` method receives no input parameter and does not return anything. It frees stateful resources potentially allocated during the object’s lifetime, e.g., network or database connections.
 
 
-Implementations
+Implementations1
 ---------------
 
 ======     ============================================
@@ -317,7 +317,7 @@ The ``DatabaseLoadingContext`` interface allows to define classes that manage th
         ...
 
 
-Implementations
+Implementations2
 ---------------
 
 ====================================================================    =============================================================