diff --git a/src/core.rs b/src/core.rs
index 26fe4cf..1b6f4d5 100644
--- a/src/core.rs
+++ b/src/core.rs
@@ -50,9 +50,9 @@ impl XContext {
 
 /// Capture a rectangular part of the screen.  
 ///
-/// `ctxt`  – connection + screen info\
-/// `x_coord,y_coord` – top-left corner of the rectangle\
-/// `width,height` – size of the rectangle  
+/// `ctxt`  - connection + screen info\
+/// `x_coord,y_coord` - top-left corner of the rectangle\
+/// `width,height` - size of the rectangle  
 ///
 /// Returns: a `Vec<u8>` containing RGBA pixel data.
 pub fn capture_rect(
@@ -104,10 +104,10 @@ pub fn capture_rect(
 
 /// Save an RGBA pixel buffer as a PNG file.  
 ///
-/// `path`   – where to write the file\
-/// `width`  – image width in pixels\
-/// `height` – image height in pixels\
-/// `rgba`   – pixel data in RGBA format  
+/// `path`   - where to write the file\
+/// `width`  - image width in pixels\
+/// `height` - image height in pixels\
+/// `rgba`   - pixel data in RGBA format  
 pub fn save_png(path: &str, width: u16, height: u16, rgba: &[u8]) -> anyhow::Result<()> {
     let file = File::create(path)?;