fix typo

Author: cijiugechu

src/capturer/mod.rs

@@ -143,7 +143,7 @@ impl Capturer {
     /// Attempts to return the next captured frame without blocking.
     ///
     /// Processes all currently available channel items until a usable frame is found.
-    /// Returns `Ok(None)` if no frames are available at this moment (not that items were filtered).
+    /// Returns `Ok(None)` if no frames are available at this moment (note that items were filtered).
     /// Returns `Err(mpsc::RecvError)` if the capture channel has been disconnected.
     pub fn try_get_next_frame(&self) -> Result<Option<Frame>, mpsc::RecvError> {
         loop {