diff --git a/fastapi/applications.py b/fastapi/applications.py
index ecd53746a..69caceea8 100644
--- a/fastapi/applications.py
+++ b/fastapi/applications.py
@@ -756,7 +756,9 @@ class FastAPI(Starlette):
             bool,
             Doc(
                 """
-                TODO
+                To include (or not) the field `input` in the validation error of all *path operations*.
+
+                This does not affect the generated OpenAPI (e.g. visible at `/docs`).
                 """
             ),
         ] = True,
@@ -764,7 +766,9 @@ class FastAPI(Starlette):
             bool,
             Doc(
                 """
-                TODO
+                To include (or not) the field `url` in the validation error of all *path operations*.
+
+                This does not affect the generated OpenAPI (e.g. visible at `/docs`).
                 """
             ),
         ] = False,
diff --git a/fastapi/routing.py b/fastapi/routing.py
index 0bb443941..a2fae393a 100644
--- a/fastapi/routing.py
+++ b/fastapi/routing.py
@@ -837,7 +837,9 @@ class APIRouter(routing.Router):
             bool,
             Doc(
                 """
-                TODO
+                To include (or not) the field `input` in the validation error of all *path operations*.
+
+                This does not affect the generated OpenAPI (e.g. visible at `/docs`).
                 """
             ),
         ] = True,
@@ -845,7 +847,9 @@ class APIRouter(routing.Router):
             bool,
             Doc(
                 """
-                TODO
+                To include (or not) the field `url` in the validation error of all *path operations*.
+
+                This does not affect the generated OpenAPI (e.g. visible at `/docs`).
                 """
             ),
         ] = False,