diff --git a/addons/block_code/blocks/graphics/viewport_center.tres b/addons/block_code/blocks/graphics/viewport_center.tres
index 3779ce21..e3b65041 100644
--- a/addons/block_code/blocks/graphics/viewport_center.tres
+++ b/addons/block_code/blocks/graphics/viewport_center.tres
@@ -5,7 +5,7 @@
 [resource]
 script = ExtResource("1_rc1so")
 name = &"viewport_center"
-description = ""
+description = "Coordinates of the middle of the viewable screen when playing."
 category = "Graphics | Viewport"
 type = 3
 variant_type = 5
diff --git a/addons/block_code/blocks/graphics/viewport_height.tres b/addons/block_code/blocks/graphics/viewport_height.tres
index 789de6d6..50dcf640 100644
--- a/addons/block_code/blocks/graphics/viewport_height.tres
+++ b/addons/block_code/blocks/graphics/viewport_height.tres
@@ -5,7 +5,7 @@
 [resource]
 script = ExtResource("1_1debb")
 name = &"viewport_height"
-description = ""
+description = "How tall the viewable screen is when playing."
 category = "Graphics | Viewport"
 type = 3
 variant_type = 3
diff --git a/addons/block_code/blocks/graphics/viewport_width.tres b/addons/block_code/blocks/graphics/viewport_width.tres
index ceb30730..39ba35aa 100644
--- a/addons/block_code/blocks/graphics/viewport_width.tres
+++ b/addons/block_code/blocks/graphics/viewport_width.tres
@@ -5,7 +5,7 @@
 [resource]
 script = ExtResource("1_ll4rh")
 name = &"viewport_width"
-description = ""
+description = "How wide the viewable screen is when playing."
 category = "Graphics | Viewport"
 type = 3
 variant_type = 3
diff --git a/addons/block_code/blocks/input/characterbody2d_move.tres b/addons/block_code/blocks/input/characterbody2d_move.tres
index 07614611..688ff5af 100644
--- a/addons/block_code/blocks/input/characterbody2d_move.tres
+++ b/addons/block_code/blocks/input/characterbody2d_move.tres
@@ -6,7 +6,7 @@
 script = ExtResource("1_btxic")
 name = &"characterbody2d_move"
 target_node_class = "CharacterBody2D"
-description = ""
+description = "Move the character up, down, left, and right with the keyboard using the given keys. The speed of movement can be adjusted separately for x (left and right) and y (up and down)."
 category = "Input"
 type = 2
 variant_type = 0
diff --git a/addons/block_code/simple_nodes/simple_character/simple_character.gd b/addons/block_code/simple_nodes/simple_character/simple_character.gd
index dffaff35..90987be1 100644
--- a/addons/block_code/simple_nodes/simple_character/simple_character.gd
+++ b/addons/block_code/simple_nodes/simple_character/simple_character.gd
@@ -129,6 +129,13 @@ static func setup_custom_blocks():
 	block_definition.category = "Input"
 	block_definition.type = Types.BlockType.STATEMENT
 	block_definition.display_template = "Move with {player: OPTION} buttons as {kind: OPTION}"
+	block_definition.description = """Move the character using the “Player 1” or “Player 2” controls as configured in Godot.
+
+“Top-down” enables the character to move in both x (vertical) and y (horizontal) dimensions, as if the camera is above the character, looking down. No gravity is added.
+
+“Platformer” enables the character to move as if the camera is looking from the side, like a side-scroller. Gravity is applied on the x (vertical) axis, making the character fall down until they collide.
+
+“Spaceship” uses the left/right controls to turn the character and up/down controls to go forward or backward."""
 	# TODO: delta here is assumed to be the parameter name of
 	# the _process or _physics_process method:
 	block_definition.code_template = 'move_with_player_buttons("{player}", "{kind}", delta)'