diff --git a/docs/source/api/reducer_index.rst b/docs/source/api/reducer_index.rst
index 12e0ebf45..09f769be9 100644
--- a/docs/source/api/reducer_index.rst
+++ b/docs/source/api/reducer_index.rst
@@ -41,6 +41,8 @@ Reduction operators
 | :cpp:func:`haddp`                     | horizontal sum across batches                      |
 +---------------------------------------+----------------------------------------------------+
 
+Also see the `batch_bool` :ref:`xsimd-batch-bool-reducers`.
+
 ----
 
 .. doxygengroup:: batch_reducers
diff --git a/docs/source/api/xsimd_batch_bool.rst b/docs/source/api/xsimd_batch_bool.rst
index 38342ef21..d588740ea 100644
--- a/docs/source/api/xsimd_batch_bool.rst
+++ b/docs/source/api/xsimd_batch_bool.rst
@@ -20,6 +20,8 @@ Logical operators
    :project: xsimd
    :content-only:
 
+.. _xsimd-batch-bool-reducers:
+
 Reducers
 --------
 
diff --git a/include/xsimd/types/xsimd_api.hpp b/include/xsimd/types/xsimd_api.hpp
index 5898b1011..3b080dd95 100644
--- a/include/xsimd/types/xsimd_api.hpp
+++ b/include/xsimd/types/xsimd_api.hpp
@@ -635,7 +635,7 @@ namespace xsimd
     }
 
     /**
-     * @ingroup batch_reducers
+     * @ingroup batch_bool_reducers
      *
      * Count the number of values set to true in the batch \c x
      * @param x boolean or batch of boolean