diff --git a/src/pixie.nim b/src/pixie.nim
index 3b98c4b..3ce03ea 100644
--- a/src/pixie.nim
+++ b/src/pixie.nim
@@ -52,11 +52,13 @@ proc writeFile*(image: Image, filePath: string) =
   image.writeFile(filePath, fileformat)
 
 proc fillRect*(image: Image, rect: Rect, color: ColorRGBA) =
+  ## Fill a rectangle.
   var path: Path
   path.rect(rect)
   image.fillPath(path, color)
 
 proc fillRect*(mask: Mask, rect: Rect) =
+  ## Fill a rectangle.
   var path: Path
   path.rect(rect)
   mask.fillPath(path)
@@ -64,11 +66,13 @@ proc fillRect*(mask: Mask, rect: Rect) =
 proc strokeRect*(
   image: Image, rect: Rect, color: ColorRGBA, strokeWidth = 1.0
 ) =
+  ## Stroke a rounded rectangle.
   var path: Path
   path.rect(rect)
   image.strokePath(path, color, strokeWidth)
 
 proc strokeRect*(mask: Mask, rect: Rect, strokeWidth = 1.0) =
+  ## Stroke a rounded rectangle.
   var path: Path
   path.rect(rect)
   mask.strokePath(path, strokeWidth)
@@ -79,6 +83,7 @@ proc fillRoundedRect*(
   nw, ne, se, sw: float32,
   color: ColorRGBA
 ) =
+  ## Fill a rounded rectangle.
   var path: Path
   path.roundedRect(rect, nw, ne, se, sw)
   image.fillPath(path, color)
@@ -89,16 +94,19 @@ proc fillRoundedRect*(
   radius: float32,
   color: ColorRGBA
 ) =
+  ## Fill a rounded rectangle.
   var path: Path
   path.roundedRect(rect, radius, radius, radius, radius)
   image.fillPath(path, color)
 
 proc fillRoundedRect*(mask: Mask, rect: Rect, nw, ne, se, sw: float32) =
+  ## Fill a rounded rectangle.
   var path: Path
   path.roundedRect(rect, nw, ne, se, sw)
   mask.fillPath(path)
 
 proc fillRoundedRect*(mask: Mask, rect: Rect, radius: float32) =
+  ## Fill a rounded rectangle.
   var path: Path
   path.roundedRect(rect, radius, radius, radius, radius)
   mask.fillPath(path)
@@ -110,6 +118,7 @@ proc strokeRoundedRect*(
   color: ColorRGBA,
   strokeWidth = 1.0
 ) =
+  ## Stroke a rounded rectangle.
   var path: Path
   path.roundedRect(rect, nw, ne, se, sw)
   image.strokePath(path, color, strokeWidth)
@@ -121,6 +130,7 @@ proc strokeRoundedRect*(
   color: ColorRGBA,
   strokeWidth = 1.0
 ) =
+  ## Stroke a rounded rectangle.
   var path: Path
   path.roundedRect(rect, radius, radius, radius, radius)
   image.strokePath(path, color, strokeWidth)
@@ -128,6 +138,7 @@ proc strokeRoundedRect*(
 proc strokeRoundedRect*(
   mask: Mask, rect: Rect, nw, ne, se, sw: float32, strokeWidth = 1.0
 ) =
+  ## Stroke a rounded rectangle.
   var path: Path
   path.roundedRect(rect, nw, ne, se, sw)
   mask.strokePath(path, strokeWidth)
@@ -135,6 +146,7 @@ proc strokeRoundedRect*(
 proc strokeRoundedRect*(
   mask: Mask, rect: Rect, radius: float32, strokeWidth = 1.0
 ) =
+  ## Stroke a rounded rectangle.
   var path: Path
   path.roundedRect(rect, radius, radius, radius, radius)
   mask.strokePath(path, strokeWidth)
@@ -145,12 +157,14 @@ proc strokeSegment*(
   color: ColorRGBA,
   strokeWidth = 1.0
 ) =
+  ## Stroke a segment (draws a line from segment.at to segment.to).
   var path: Path
   path.moveTo(segment.at)
   path.lineTo(segment.to)
   image.strokePath(path, color, strokeWidth)
 
 proc strokeSegment*(mask: Mask, segment: Segment, strokeWidth: float32) =
+  ## Stroke a segment (draws a line from segment.at to segment.to).
   var path: Path
   path.moveTo(segment.at)
   path.lineTo(segment.to)
@@ -163,6 +177,7 @@ proc fillEllipse*(
   color: ColorRGBA,
   blendMode = bmNormal
 ) =
+  ## Fill an ellipse.
   var path: Path
   path.ellipse(center, rx, ry)
   image.fillPath(path, color, wrNonZero, blendMode)
@@ -172,6 +187,7 @@ proc fillEllipse*(
   center: Vec2,
   rx, ry: float32
 ) =
+  ## Fill an ellipse.
   var path: Path
   path.ellipse(center, rx, ry)
   mask.fillPath(path)
@@ -183,6 +199,7 @@ proc strokeEllipse*(
   color: ColorRGBA,
   strokeWidth = 1.0
 ) =
+  ## Stroke an ellipse.
   var path: Path
   path.ellipse(center, rx, ry)
   image.strokePath(path, color, strokeWidth)
@@ -193,6 +210,7 @@ proc strokeEllipse*(
   rx, ry: float32,
   strokeWidth = 1.0
 ) =
+  ## Stroke an ellipse.
   var path: Path
   path.ellipse(center, rx, ry)
   mask.strokePath(path, strokeWidth)
@@ -203,6 +221,7 @@ proc fillCircle*(
   radius: float32,
   color: ColorRGBA
 ) =
+  ## Fills a circle.
   var path: Path
   path.ellipse(center, radius, radius)
   image.fillPath(path, color)
@@ -212,6 +231,7 @@ proc fillCircle*(
   center: Vec2,
   radius: float32
 ) =
+  ## Fills a circle.
   var path: Path
   path.ellipse(center, radius, radius)
   mask.fillPath(path)
@@ -223,6 +243,7 @@ proc strokeCircle*(
   color: ColorRGBA,
   strokeWidth = 1.0
 ) =
+  ## Strokes a circle.
   var path: Path
   path.ellipse(center, radius, radius)
   image.fillPath(path, color)
@@ -233,6 +254,7 @@ proc strokeCircle*(
   radius: float32,
   strokeWidth = 1.0
 ) =
+  ## Strokes a circle.
   var path: Path
   path.ellipse(center, radius, radius)
   mask.fillPath(path)
@@ -244,11 +266,13 @@ proc fillPolygon*(
   sides: int,
   color: ColorRGBA
 ) =
+  ## Fills a polygon.
   var path: Path
   path.polygon(pos, size, sides)
   image.fillPath(path, color)
 
 proc fillPolygon*(mask: Mask, pos: Vec2, size: float32, sides: int) =
+  ## Fills a polygon.
   var path: Path
   path.polygon(pos, size, sides)
   mask.fillPath(path)
@@ -261,6 +285,7 @@ proc strokePolygon*(
   color: ColorRGBA,
   strokeWidth = 1.0
 ) =
+  ## Strokes a polygon.
   var path: Path
   path.polygon(pos, size, sides)
   image.strokePath(path, color, strokeWidth)
@@ -272,6 +297,7 @@ proc strokePolygon*(
   sides: int,
   strokeWidth = 1.0
 ) =
+  ## Strokes a polygon.
   var path: Path
   path.polygon(pos, size, sides)
   mask.strokePath(path, strokeWidth)