Fix indentation.
diff --git a/Doc/c-api/unicode.rst b/Doc/c-api/unicode.rst
index 9b3ed04..00d6007 100644
--- a/Doc/c-api/unicode.rst
+++ b/Doc/c-api/unicode.rst
@@ -149,7 +149,7 @@
    Return a pointer to the canonical representation cast to UCS1, UCS2 or UCS4
    integer types for direct character access.  No checks are performed if the
    canonical representation has the correct character size; use
-   :c:func:`PyUnicode_KIND` to select the right macro.  Make sure 
+   :c:func:`PyUnicode_KIND` to select the right macro.  Make sure
    :c:func:`PyUnicode_READY` has been called before accessing this.
 
    .. versionadded:: 3.3