diff --git a/doc/base/classes.xml b/doc/base/classes.xml
index 7fd864bd4d8..e17fe3f0c2e 100644
--- a/doc/base/classes.xml
+++ b/doc/base/classes.xml
@@ -14035,8 +14035,10 @@ Example: (content-length:12), (Content-Type:application/json; charset=UTF-8)
 </class>
 <class name="Input" inherits="Object" category="Core">
 	<brief_description>
+	A Singleton that deals with inputs.
 	</brief_description>
 	<description>
+	A Singleton that deals with inputs. This includes key presses, mouse buttons and movement, joysticks, and input actions.
 	</description>
 	<methods>
 		<method name="is_key_pressed">
@@ -14045,6 +14047,7 @@ Example: (content-length:12), (Content-Type:application/json; charset=UTF-8)
 			<argument index="0" name="scancode" type="int">
 			</argument>
 			<description>
+			Returns true or false depending on whether the key is pressed or not. You can pass KEY_*, which are pre-defined constants listed in [@Global Scope].
 			</description>
 		</method>
 		<method name="is_mouse_button_pressed">
@@ -14073,6 +14076,7 @@ Example: (content-length:12), (Content-Type:application/json; charset=UTF-8)
 			<argument index="0" name="action" type="String">
 			</argument>
 			<description>
+			Returns true or false depending on whether the action event is pressed. Actions and their events can be set in the Project Settings / Input Map tab. Or be set with [InputMap].
 			</description>
 		</method>
 		<method name="add_joy_mapping">
@@ -14133,48 +14137,56 @@ Example: (content-length:12), (Content-Type:application/json; charset=UTF-8)
 			<return type="Vector3">
 			</return>
 			<description>
+			If the device has an accelerometer, this will return the movement.
 			</description>
 		</method>
 		<method name="get_mouse_speed" qualifiers="const">
 			<return type="Vector2">
 			</return>
 			<description>
+			Returns the mouse speed.
 			</description>
 		</method>
 		<method name="get_mouse_button_mask" qualifiers="const">
 			<return type="int">
 			</return>
 			<description>
+			Returns mouse buttons as a bitmask. If multiple mouse buttons are pressed at the same time the bits are added together.
 			</description>
 		</method>
 		<method name="set_mouse_mode">
 			<argument index="0" name="mode" type="int">
 			</argument>
 			<description>
+			Set the mouse mode. See the constants for more information.
 			</description>
 		</method>
 		<method name="get_mouse_mode" qualifiers="const">
 			<return type="int">
 			</return>
 			<description>
+			Return the mouse mode. See the constants for more information.
 			</description>
 		</method>
 		<method name="warp_mouse_pos">
 			<argument index="0" name="to" type="Vector2">
 			</argument>
 			<description>
+			Sets the mouse position to the specified vector.
 			</description>
 		</method>
 		<method name="action_press">
 			<argument index="0" name="action" type="String">
 			</argument>
 			<description>
+			This will simulate pressing the specificed action.
 			</description>
 		</method>
 		<method name="action_release">
 			<argument index="0" name="action" type="String">
 			</argument>
 			<description>
+			If the specified action is already pressed, this will release it.
 			</description>
 		</method>
 		<method name="set_custom_mouse_cursor">
@@ -14183,6 +14195,7 @@ Example: (content-length:12), (Content-Type:application/json; charset=UTF-8)
 			<argument index="1" name="hotspot" type="Vector2" default="Vector2(0,0)">
 			</argument>
 			<description>
+			Set a custom mouse cursor image, which is only visible inside the game window. The hotspot can also be specified.
 			</description>
 		</method>
 	</methods>
@@ -14199,10 +14212,13 @@ Example: (content-length:12), (Content-Type:application/json; charset=UTF-8)
 	</signals>
 	<constants>
 		<constant name="MOUSE_MODE_VISIBLE" value="0">
+		Makes the mouse cursor visible if it is hidden.
 		</constant>
 		<constant name="MOUSE_MODE_HIDDEN" value="1">
+		Makes the mouse cursor hidden if it is visible.
 		</constant>
 		<constant name="MOUSE_MODE_CAPTURED" value="2">
+		Captures the mouse. The mouse will be hidden and unable to leave the game window. But it will still register movement and mouse button presses.
 		</constant>
 	</constants>
 </class>