diff --git a/README.md b/README.md
index 105309f..f8d5243 100644
--- a/README.md
+++ b/README.md
@@ -104,7 +104,7 @@ The following flags are supported:
 | `so` | 10 | Sobel filter threshold |
 | `sl` | false | Use solid stroke color (yes/no) |
 | `wf` | 0 | Wireframe mode (0: without stroke, 1: with stroke, 2: stroke only) |
-| `sw` | 1 | Stroke width |
+| `st` | 1 | Stroke width |
 | `gr` | false | Output in grayscale mode |
 | `web` | false | Open the SVG file in the web browser |
 | `bg` | ' ' | Background color (specified as hex value) |
@@ -160,8 +160,8 @@ Setting a lower points threshold, the resulted image will be more like a cubic p
 
 Here are some examples you can experiment with:
 ```bash
-$ triangle -in samples/input.jpg -out output.png -wf=0 -pts=3500 -stroke=2 -blur=2
-$ triangle -in samples/input.jpg -out output.png -wf=2 -pts=5500 -stroke=1 -blur=10
+$ triangle -in samples/input.jpg -out output.png -wf=0 -pts=3500 -st=2 -bl=2
+$ triangle -in samples/input.jpg -out output.png -wf=2 -pts=5500 -st=1 -bl=10
 ```
 
 ## Examples
diff --git a/cmd/triangle/main.go b/cmd/triangle/main.go
index cd15ca0..983730f 100644
--- a/cmd/triangle/main.go
+++ b/cmd/triangle/main.go
@@ -85,7 +85,7 @@ func main() {
 		maxPoints       = flag.Int("pts", 2500, "Maximum number of points")
 		wireframe       = flag.Int("wf", 0, "Wireframe mode (0: without stroke, 1: with stroke, 2: stroke only)")
 		noise           = flag.Int("nf", 0, "Noise factor")
-		strokeWidth     = flag.Float64("sw", 1, "Stroke width")
+		strokeWidth     = flag.Float64("st", 1, "Stroke width")
 		isStrokeSolid   = flag.Bool("sl", false, "Use solid stroke color (yes/no)")
 		grayscale       = flag.Bool("gr", false, "Output in grayscale mode")
 		showInBrowser   = flag.Bool("web", false, "Open the SVG file in the web browser")