Fix the documentation

enkou-shaders/examples/gasket.rs

@@ -68,7 +68,7 @@ pub fn main() -> Result<()> {
         .wait()?;
 
     // In case the image viewer forks and gives control back prior to reading the file,
-    // drop it and don't run the constructor
+    // drop it and don't run the destructor
     mem::forget(temp);
 
     Ok(())