diff --git a/python/analysis/auto_generated/vector/geometry_checker/qgsgeometrycheck.sip.in b/python/analysis/auto_generated/vector/geometry_checker/qgsgeometrycheck.sip.in
index 9e28feaba7d..de83a1d3231 100644
--- a/python/analysis/auto_generated/vector/geometry_checker/qgsgeometrycheck.sip.in
+++ b/python/analysis/auto_generated/vector/geometry_checker/qgsgeometrycheck.sip.in
@@ -164,6 +164,10 @@ Returns the context
   protected:
 
 
+
+
+
+
 };
 
 /************************************************************************
diff --git a/python/analysis/auto_generated/vector/geometry_checker/qgsgeometrycheckerutils.sip.in b/python/analysis/auto_generated/vector/geometry_checker/qgsgeometrycheckerutils.sip.in
index 4c4d84f02b5..a1c57694a1c 100644
--- a/python/analysis/auto_generated/vector/geometry_checker/qgsgeometrycheckerutils.sip.in
+++ b/python/analysis/auto_generated/vector/geometry_checker/qgsgeometrycheckerutils.sip.in
@@ -10,7 +10,6 @@
 
 
 
-
 class QgsGeometryCheckerUtils
 {
 %Docstring
@@ -28,8 +27,16 @@ Contains utilities required for geometry checks.
 #include "qgsgeometrycheckerutils.h"
 %End
   public:
+
     class LayerFeature
 {
+%Docstring
+
+A layer feature combination to uniquely identify and access a feature in
+a set of layers.
+
+.. versionadded:: 3.4
+%End
 
 %TypeHeaderCode
 #include "qgsgeometrycheckerutils.h"
@@ -79,6 +86,12 @@ Returns if the geometry is reprojected to the map CRS or not.
 
     class LayerFeatures
 {
+%Docstring
+
+Contains a set of layers and feature ids in those layers to pass to a geometry check.
+
+.. versionadded:: 3.4
+%End
 
 %TypeHeaderCode
 #include "qgsgeometrycheckerutils.h"
diff --git a/src/analysis/vector/geometry_checker/qgsgeometrycheck.h b/src/analysis/vector/geometry_checker/qgsgeometrycheck.h
index 97db5300cd4..d193402b55e 100644
--- a/src/analysis/vector/geometry_checker/qgsgeometrycheck.h
+++ b/src/analysis/vector/geometry_checker/qgsgeometrycheck.h
@@ -253,14 +253,48 @@ class ANALYSIS_EXPORT QgsGeometryCheck
     const QgsGeometryCheckContext *context() const { return mContext; }
 
   protected:
+
+    /**
+     * Returns all layers and feature ids.
+     *
+     * \since QGIS 3.4
+     * \note Not available in Python bindings
+     */
     QMap<QString, QgsFeatureIds> allLayerFeatureIds( const QMap<QString, QgsFeaturePool *> &featurePools ) const SIP_SKIP;
+
+    /**
+     * Replaces a part in a feature geometry.
+     *
+     * \since QGIS 3.4
+     * \note Not available in Python bindings
+     */
     void replaceFeatureGeometryPart( const QMap<QString, QgsFeaturePool *> &featurePools, const QString &layerId, QgsFeature &feature, int partIdx, QgsAbstractGeometry *newPartGeom, Changes &changes ) const SIP_SKIP;
+
+    /**
+     * Deletes a part of a feature geometry.
+     *
+     * \since QGIS 3.4
+     * \note Not available in Python bindings
+     */
     void deleteFeatureGeometryPart( const QMap<QString, QgsFeaturePool *> &featurePools, const QString &layerId, QgsFeature &feature, int partIdx, Changes &changes ) const SIP_SKIP;
+
+    /**
+     * Deletes a ring in a feature geometry.
+     *
+     * \since QGIS 3.4
+     * \note Not available in Python bindings
+     */
     void deleteFeatureGeometryRing( const QMap<QString, QgsFeaturePool *> &featurePools, const QString &layerId, QgsFeature &feature, int partIdx, int ringIdx, Changes &changes ) const SIP_SKIP;
 
     const QgsGeometryCheckContext *mContext;
     QVariantMap mConfiguration;
 
+    /**
+     * Determin the scale factor of a layer to the map coordiante reference system.
+     *
+     * \since QGIS 3.4
+     * \note Not available in Python bindings
+     */
     double scaleFactor( const QPointer<QgsVectorLayer> &layer ) const SIP_SKIP;
 };
 
diff --git a/src/analysis/vector/geometry_checker/qgsgeometrycheckerutils.h b/src/analysis/vector/geometry_checker/qgsgeometrycheckerutils.h
index 4a3c6f5883f..9a91b4e60e9 100644
--- a/src/analysis/vector/geometry_checker/qgsgeometrycheckerutils.h
+++ b/src/analysis/vector/geometry_checker/qgsgeometrycheckerutils.h
@@ -39,6 +39,7 @@ class QgsFeedback;
 class ANALYSIS_EXPORT QgsGeometryCheckerUtils
 {
   public:
+
     /**
      * \ingroup analysis
      *
@@ -128,7 +129,7 @@ class ANALYSIS_EXPORT QgsGeometryCheckerUtils
          * \ingroup analysis
          *
          * An iterator over all features in a QgsGeometryCheckerUtils::LayerFeatures.
-         * 
+         *
          * \since QGIS 3.4
          */
         class iterator
diff --git a/src/analysis/vector/geometry_checker/qgsgeometryisvalidcheck.h b/src/analysis/vector/geometry_checker/qgsgeometryisvalidcheck.h
index bbfc10d87a4..27b8594b5ef 100644
--- a/src/analysis/vector/geometry_checker/qgsgeometryisvalidcheck.h
+++ b/src/analysis/vector/geometry_checker/qgsgeometryisvalidcheck.h
@@ -20,6 +20,14 @@ email                : matthias@opengis.ch
 
 #include "qgssinglegeometrycheck.h"
 
+/**
+ * \ingroup analysis
+ *
+ * An error for a QgsGeometryIsValid check.
+ * The description is delivered by the underlying check engine, either GEOS or QGIS internal.
+ *
+ * \since QGIS 3.4
+ */
 class ANALYSIS_EXPORT QgsGeometryIsValidCheckError : public QgsSingleGeometryCheckError
 {
   public:
@@ -40,6 +48,10 @@ class ANALYSIS_EXPORT QgsGeometryIsValidCheckError : public QgsSingleGeometryChe
 class ANALYSIS_EXPORT QgsGeometryIsValidCheck : public QgsSingleGeometryCheck
 {
   public:
+
+    /**
+     * Creates a new is valid check with the provided \a context. No options are supported in \a configuration.
+     */
     explicit QgsGeometryIsValidCheck( const QgsGeometryCheckContext *context, const QVariantMap &configuration );
 
     QList<QgsWkbTypes::GeometryType> compatibleGeometryTypes() const override;
diff --git a/tests/code_layout/acceptable_missing_doc.py b/tests/code_layout/acceptable_missing_doc.py
index c8f3ceed1ae..21fe479dd1e 100644
--- a/tests/code_layout/acceptable_missing_doc.py
+++ b/tests/code_layout/acceptable_missing_doc.py
@@ -489,7 +489,8 @@ ACCEPTABLE_MISSING_DOCS = {
     "QgsGeometrySelfIntersectionCheck": ["QgsGeometrySelfIntersectionCheck(const QgsGeometryCheckContext *context, const QVariantMap &configuration=QVariantMap())", "ResolutionMethod"],
     "QgsGeometryContainedCheck": ["factoryDescription()", "factoryId()", "factoryCompatibleGeometryTypes()", "factoryIsCompatible(QgsVectorLayer *layer)", "ResolutionMethod", "factoryCheckType()", "QgsGeometryContainedCheck(QgsGeometryCheckContext *context, const QVariantMap &configuration)"],
     "QgsGeometryPointInPolygonCheck": ["factoryDescription()", "factoryId()", "factoryCompatibleGeometryTypes()", "factoryIsCompatible(QgsVectorLayer *layer)", "ResolutionMethod", "factoryCheckType()", "QgsGeometryPointInPolygonCheck(QgsGeometryCheckContext *context, const QVariantMap &configuration)"],
-    "QgsGeometryDuplicateNodesCheck": ["factoryDescription()", "factoryId()", "factoryCompatibleGeometryTypes()", "factoryIsCompatible(QgsVectorLayer *layer)", "ResolutionMethod", "factoryCheckType()", "QgsGeometryDuplicateNodesCheck(QgsGeometryCheckContext *context, const QVariantMap &configuration)"]
+    "QgsGeometryDuplicateNodesCheck": ["factoryDescription()", "factoryId()", "factoryCompatibleGeometryTypes()", "factoryIsCompatible(QgsVectorLayer *layer)", "ResolutionMethod", "factoryCheckType()", "QgsGeometryDuplicateNodesCheck(QgsGeometryCheckContext *context, const QVariantMap &configuration)"],
+    "QgsGeometryChecker": ["getContext() const", "featurePools() const", "setMergeAttributeIndices(const QMap< QString, int > &mergeAttributeIndices)", "progressValue(int value)", "getChecks() const", "errorAdded(QgsGeometryCheckError *error)", "QgsGeometryChecker(const QList< QgsGeometryCheck * > &checks, QgsGeometryCheckContext *context, const QMap< QString, QgsFeaturePool * > &featurePools)", "fixError(QgsGeometryCheckError *error, int method, bool triggerRepaint=false)", "errorUpdated(QgsGeometryCheckError *error, bool statusChanged)", "execute(int *totalSteps=nullptr)", "getMessages() const"]
 }
 
 ACCEPTABLE_MISSING_ADDED_NOTE = [