diff --git a/docs/writing_buildspecs/performance_checks.rst b/docs/writing_buildspecs/performance_checks.rst
index c5b120e88..a3fb577b4 100644
--- a/docs/writing_buildspecs/performance_checks.rst
+++ b/docs/writing_buildspecs/performance_checks.rst
@@ -107,6 +107,7 @@ is compared with a reference value that can be useful when running performance c
 - :ref:`assert_ge`
 - :ref:`assert_gt`
 - :ref:`assert_le`
+- :ref:`assert_lt`
 - :ref:`assert_eq`
 - :ref:`assert_ne`
 - :ref:`assert_range`
@@ -174,6 +175,18 @@ In this example, we perform a **<=** operation, this can be done via ``assert_le
     :emphasize-lines: 37-46
     :linenos:
 
+.. _assert_lt:
+
+Less Than
+~~~~~~~~~~~
+
+In this example, we perform a **<** operation, this can be done via ``assert_lt`` property
+
+.. literalinclude:: ../tutorials/perf_checks/assert_lt.yml
+    :language: yaml
+    :emphasize-lines: 37-46
+    :linenos:
+
 .. _assert_eq:
 
 Assert Equal