diff --git a/CHANGES b/CHANGES
index bdecc96855866a74a96e2a743af37e8c9ae644e8..68cc7f76ac17a8d4b79045a0ffe2267d72510d1a 100644
--- a/CHANGES
+++ b/CHANGES
@@ -785,7 +785,7 @@ o Stdio.Buffer():
 
    The main intent of the class is buffering for binary and non-binary
    protocol parsing and output, and also buffering when using
-   non-blockign I/O.
+   non-blocking I/O.
 
 o Stdio.File():