diff --git a/templating/matrix_templates/units.py b/templating/matrix_templates/units.py
index 55ea426f..fbe45c51 100644
--- a/templating/matrix_templates/units.py
+++ b/templating/matrix_templates/units.py
@@ -578,7 +578,7 @@ class MatrixUnits(Units):
             }, {
                 "key": "`Identity Service API <identity_service/unstable.html>`_",
                 "type": "unstable",
-                "desc": "Mapping of third party IDs with Matrix ID",
+                "desc": "Mapping of third party IDs to Matrix IDs",
             }, {
                 "key": "`Push Gateway API <push_gateway/unstable.html>`_",
                 "type": "unstable",