Doc fix: unicode() is now str()
diff --git a/Doc/c-api/unicode.rst b/Doc/c-api/unicode.rst
index 4533279..07e4d01 100644
--- a/Doc/c-api/unicode.rst
+++ b/Doc/c-api/unicode.rst
@@ -470,7 +470,7 @@
 
 Many of the following APIs take two arguments encoding and errors. These
 parameters encoding and errors have the same semantics as the ones of the
-built-in :func:`unicode` Unicode object constructor.
+built-in :func:`str` string object constructor.
 
 Setting encoding to *NULL* causes the default encoding to be used
 which is ASCII.  The file system calls should use