diff --git a/docs/handbook/writing-your-own-file-decoder.rst b/docs/handbook/writing-your-own-file-decoder.rst
index 03b4ca601..9b670dba8 100644
--- a/docs/handbook/writing-your-own-file-decoder.rst
+++ b/docs/handbook/writing-your-own-file-decoder.rst
@@ -269,7 +269,7 @@ decoder that can be used to read various packed formats into a floating point
 image memory.
 
 To use the bit decoder with the :py:func:`PIL.Image.frombytes` function, use
-the following syntax::
+the following syntax:
 
 .. code-block:: python