diff --git a/components/button/index.rst b/components/button/index.rst
index e8054733a..c91b1fac8 100644
--- a/components/button/index.rst
+++ b/components/button/index.rst
@@ -7,7 +7,7 @@ Button Component
 
 .. note::
 
-    To attach a physical buttons to ESPHome, see
+    To attach a physical button to ESPHome, see
     :doc:`GPIO Binary Sensor </components/binary_sensor/gpio>`.
 
 ESPHome has support for components to create button entities in Home Assistant. A button entity is
diff --git a/custom/custom_component.rst b/custom/custom_component.rst
index 801df3700..7b65840e1 100644
--- a/custom/custom_component.rst
+++ b/custom/custom_component.rst
@@ -157,7 +157,7 @@ custom components that communicate using MQTT.
           publish("the/other/topic", 42);
         }
       }
-      void on_json_message(JsonObject &root) {
+      void on_json_message(JsonObject root) {
         if (!root.containsKey("key"))
           return;
 
@@ -165,7 +165,7 @@ custom components that communicate using MQTT.
         // do something with Json Object
 
         // publish JSON using lambda syntax
-        publish_json("the/other/json/topic", [=](JsonObject &root2) {
+        publish_json("the/other/json/topic", [=](JsonObject root2) {
           root2["key"] = "Hello World";
         });
       }