diff --git a/TODO.md b/TODO.md
index 829f72a..fdae19b 100644
--- a/TODO.md
+++ b/TODO.md
@@ -20,7 +20,7 @@
 
 - Overflow is currently property of screen and widget. See what the relation is and whether it all works correctly.
 
-- For `OptimizationFlag`s listed in src/namespace.cr, make a list of all common terminal emulators and see which ones support which optimizations. Than make default optimizations turn on/off based on that (unless overriden by user).
+- For `OptimizationFlag`s listed in src/namespace.cr, make a list of all common terminal emulators and see which ones support which optimizations. Than make default optimizations turn on/off based on that (unless overridden by user).
 `OptimizationFlag`s are set on a `Screen`.
 
 - In src/screen.cr, some stuff is done in initialize, while it seems like enter/leave would be the correct places.
diff --git a/documentation/decorations.md b/documentation/decorations.md
index 1132310..7e5f053 100644
--- a/documentation/decorations.md
+++ b/documentation/decorations.md
@@ -83,7 +83,7 @@ border repeats in all cells that make up the border. (See how this would interop
 where docking would be performed.)
 
 Additionally, in Crysterm there is `Crysterm::Style.default`. This default instance of style can be
-modified and will automatically apply to all widgets that do not have style specifically overriden.
+modified and will automatically apply to all widgets that do not have style specifically overridden.
 
 ## Padding
 
diff --git a/documentation/positioning.md b/documentation/positioning.md
index 5112b82..d790b3c 100644
--- a/documentation/positioning.md
+++ b/documentation/positioning.md
@@ -7,7 +7,7 @@ relative position, width and height, and the amount of inner space
 that is reserved for decorations (borders and padding).
 
 For a given widget, it can also calculate what the minimum size bounding box is
-(minimum box needed to accomodate all content without scrolling).
+(minimum box needed to accommodate all content without scrolling).
 
 Left, top, right and bottom values are not offsets from (0,0) on the top left, but rather from their respective sides.
 
@@ -234,4 +234,4 @@ When creating widgets, one can specify left/top/right/bottom/width/height separa
 them all inside `position` hash. If they're given separately, Blessed packs them into `position`.
 
 One can also specify `shrink = true` on a widget. This causes widget to render in minimal
-necessary box to accomodate its content.
+necessary box to accommodate its content.
diff --git a/examples/colorchart.cr b/examples/colorchart.cr
index a2e77d4..3af50e5 100644
--- a/examples/colorchart.cr
+++ b/examples/colorchart.cr
@@ -13,7 +13,7 @@ def draw(s : Screen)
   end
 end
 
-# `Display` is a phyiscal device (terminal hardware or emulator).
+# `Display` is a physical device (terminal hardware or emulator).
 # It can be instantiated manually as shown, or for quick coding it can be
 # skipped and it will be created automatically when needed.
 s = Screen.new
diff --git a/examples/hello.cr b/examples/hello.cr
index 12e1983..7614199 100644
--- a/examples/hello.cr
+++ b/examples/hello.cr
@@ -3,7 +3,7 @@ require "../src/crysterm"
 class MyProg
   include Crysterm
 
-  # `Display` is a phyiscal device (terminal hardware or emulator).
+  # `Display` is a physical device (terminal hardware or emulator).
   # It can be instantiated manually as shown, or for quick coding it can be
   # skipped and it will be created automatically when needed.
   s = Screen.new title: "Hello, World!"
diff --git a/src/action.cr b/src/action.cr
index aff0be5..4952d44 100644
--- a/src/action.cr
+++ b/src/action.cr
@@ -7,7 +7,7 @@ module Crysterm
   # Actions can be added to menus and toolbars, and will automatically be kept in sync because they are the same object.
   # For example, if the user presses a "Bold" toolbar button in a text editor, the "Bold" menu item will automatically appear enabled where ever it is added.
   #
-  # It is recommented to create `Action`s as children of the window they are used in.
+  # It is recommended to create `Action`s as children of the window they are used in.
   #
   # Actions are added to `Widget`s using `#addAction` or `<<(Action)`. Note that an action must be added to a widget before it can be used.
   #
diff --git a/src/fonts/README b/src/fonts/README
index 3f2fa2d..6ff2c15 100644
--- a/src/fonts/README
+++ b/src/fonts/README
@@ -299,7 +299,7 @@ If you need it than much, try mkitalic from FreeBSD or bdfslant from Debian.
 Q. Scalable version?
 
 A. Long story short, when the average display resolution becomes at least
-150 DPI. Prefferably 200.
+150 DPI. Preferably 200.
 
 Q. How about some new characters?
 
diff --git a/src/screen.cr b/src/screen.cr
index 5252616..8b44245 100644
--- a/src/screen.cr
+++ b/src/screen.cr
@@ -168,7 +168,7 @@ module Crysterm
 
       bind
 
-      # ensure tput.zero_based = true, use_bufer=true
+      # ensure tput.zero_based = true, use_buffer=true
       # set resizeTimeout
 
       # Tput is accessed via tput
@@ -551,7 +551,7 @@ module Crysterm
     #  }
     # end
 
-    # Reduces color if needed (minmal helper function)
+    # Reduces color if needed (minimal helper function)
     private def _reduce_color(col)
       Colors.reduce(col, tput.features.number_of_colors)
     end
diff --git a/src/screen_drawing.cr b/src/screen_drawing.cr
index 3737c7f..4210b21 100644
--- a/src/screen_drawing.cr
+++ b/src/screen_drawing.cr
@@ -612,7 +612,7 @@ module Crysterm
     # whether an element has uniform cells on
     # both sides. If it does, we can use CSR to
     # optimize scrolling on a scrollable element.
-    # Not exactly sure how worthwile this is.
+    # Not exactly sure how worthwhile this is.
     # This will cause a performance/cpu-usage hit,
     # but will it be less or greater than the
     # performance hit of slow-rendering scrollable
@@ -639,7 +639,7 @@ module Crysterm
       # D O:
       # The scrollbar can't update properly, and there's also a
       # chance that the scrollbar may get moved around senselessly.
-      # NOTE: In pratice, this doesn't seem to be the case.
+      # NOTE: In practice, this doesn't seem to be the case.
       # if @scrollbar
       #  return pos._clean_sides = false
       # end
diff --git a/src/widget/list.cr b/src/widget/list.cr
index 66dc6e4..ef89624 100644
--- a/src/widget/list.cr
+++ b/src/widget/list.cr
@@ -296,7 +296,7 @@ module Crysterm
         emit Crysterm::Event::CancelItem, items[selected], selected
       end
 
-      # TOOD
+      # TODO
       # find
       # pick
 
diff --git a/src/widget_size.cr b/src/widget_size.cr
index 4451f84..7170de9 100644
--- a/src/widget_size.cr
+++ b/src/widget_size.cr
@@ -46,7 +46,7 @@ module Crysterm
         return width
       end
 
-      # This is for if the element is being streched or shrunken.
+      # This is for if the element is being stretched or shrunken.
       # Although the width for shrunken elements is calculated
       # in the render function, it may be calculated based on
       # the content width, and the content width is initially
@@ -96,7 +96,7 @@ module Crysterm
         return height
       end
 
-      # This is for if the element is being streched or shrunken.
+      # This is for if the element is being stretched or shrunken.
       # Although the height for shrunken elements is calculated
       # in the render function, it may be calculated based on
       # the content height, and the content height is initially
@@ -163,7 +163,7 @@ module Crysterm
 
         # Since the parent element is shrunk, and the child elements think it's
         # going to take up as much space as possible, an element anchored to the
-        # right or bottom will inadvertantly make the parent's shrunken size as
+        # right or bottom will inadvertently make the parent's shrunken size as
         # large as possible. So, we can just use the height and/or width the of
         # element.
         # D O: