diff --git a/docs/fastdds/dds_layer/core/policy/standardQosPolicies.rst b/docs/fastdds/dds_layer/core/policy/standardQosPolicies.rst
index 19774c808..4905fc804 100644
--- a/docs/fastdds/dds_layer/core/policy/standardQosPolicies.rst
+++ b/docs/fastdds/dds_layer/core/policy/standardQosPolicies.rst
@@ -1113,6 +1113,9 @@ List of QoS Policy data members:
      :raw-html:`<br />`
      It cannot be changed on enabled entities.
 
+.. note::
+     It is inconsistent to set an infinite |ReliabilityQosPolicy::max_blocking_time-api|.
+
 .. important::
     Setting this QoS Policy to |BEST_EFFORT_RELIABILITY_QOS-api| affects to the :ref:`durabilityqospolicy`, making the
     endpoints behave as |VOLATILE_DURABILITY_QOS-api|.
diff --git a/docs/fastdds/xml_configuration/common.rst b/docs/fastdds/xml_configuration/common.rst
index 526593702..7205368f3 100644
--- a/docs/fastdds/xml_configuration/common.rst
+++ b/docs/fastdds/xml_configuration/common.rst
@@ -225,6 +225,11 @@ An infinite value can be specified by using the values :cpp:concept:`DURATION_IN
     - ``uint32_t``
     - 0
 
+.. note::
+
+    It is inconsistent to specify a negative value for the ``<sec>`` element, or
+    a ``<nanosec>`` value greater than or equal to 1 second (i.e., 1,000,000,000 nanoseconds).
+
 **Example**
 
 .. literalinclude:: /../code/XMLTester.xml