Typo fixes

4 files changed, 7 insertions, 7 deletions

diff --git a/docs/todo/03-solids-and-borders.md b/docs/todo/03-solids-and-borders.md
index 0ed2fc9..34acc96 100644
--- a/docs/todo/03-solids-and-borders.md
+++ b/docs/todo/03-solids-and-borders.md
@@ -33,7 +33,7 @@ args.outputs.borders << [100, 100,   160,     90]
 
 ## RGBA - Colors and Alpha
 
-The value for the color and alpha is an number between `0` and `255`. The
+The value for the color and alpha is a number between `0` and `255`. The
 alpha property is optional and will be set to `255` if not specified.
 
 Creates a green solid rectangle with an opacity of 50%.
@@ -93,7 +93,7 @@ args.outputs.borders << {
 ## Duck Typing (Advanced)
 
 You can also create a class with solid/border properties and render it as a primitive.
-ALL properties must on the class. ADDITIONALLY, a method called `primitive_marker`
+ALL properties must be on the class. ADDITIONALLY, a method called `primitive_marker`
 must be defined on the class.
 
 Here is an example:
diff --git a/docs/todo/04-lines.md b/docs/todo/04-lines.md
index 03c1abc..20faa44 100644
--- a/docs/todo/04-lines.md
+++ b/docs/todo/04-lines.md
@@ -35,7 +35,7 @@ args.outputs.lines << [  0, 360,  1280, 360]
 
 ## RGBA - Colors and Alpha
 
-The value for the color and alpha is an number between `0` and `255`. The
+The value for the color and alpha is a number between `0` and `255`. The
 alpha property is optional and will be set to `255` if not specified.
 
 Creates a green horizontal line through the center of the scene with an opacity of 50%.
@@ -75,7 +75,7 @@ args.outputs.lines << {
 ## Duck Typing (Advanced)
 
 You can also create a class with line properties and render it as a primitive.
-ALL properties must on the class. ADDITIONALLY, a method called `primitive_marker`
+ALL properties must be on the class. ADDITIONALLY, a method called `primitive_marker`
 must be defined on the class.
 
 Here is an example:
diff --git a/docs/todo/05-sprites.md b/docs/todo/05-sprites.md
index e8030ab..773a007 100644
--- a/docs/todo/05-sprites.md
+++ b/docs/todo/05-sprites.md
@@ -29,7 +29,7 @@ args.outputs.sprites << [100, 100,    32,     64, "sprites/player.png"]
 
 ## Rotation / Angle
 
-Unlike `solids` and `borders`, sprites can be rotated. This is how you rotate a sprite 90 degress.
+Unlike `solids` and `borders`, sprites can be rotated. This is how you rotate a sprite 90 degrees.
 
 Note: All angles in DragonRuby Game Toolkit are represented in degrees (not radians).
 
@@ -180,7 +180,7 @@ args.outputs.sprites << {
 ## Duck Typing (Advanced)
 
 You can also create a class with sprite properties and render it as a primitive.
-ALL properties must on the class. ADDITIONALLY, a method called `primitive_marker`
+ALL properties must be on the class. ADDITIONALLY, a method called `primitive_marker`
 must be defined on the class.
 
 Here is an example:
diff --git a/docs/todo/08-controllers.md b/docs/todo/08-controllers.md
index aa85ee8..9ed9199 100644
--- a/docs/todo/08-controllers.md
+++ b/docs/todo/08-controllers.md
@@ -33,7 +33,7 @@ end
 
 # Truthy Keys
 
-You can access all triggered keys through `thruthy_keys` on `keyboard`, `controller_one`, and `controller_two`.
+You can access all triggered keys through `truthy_keys` on `keyboard`, `controller_one`, and `controller_two`.
 
 This is how you would write all keys to a file. The game must be in the foreground and have focus for this data
 to be recorded.