diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index d40f2e4..e3c2cb1 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -1861,7 +1861,7 @@
        illegal prefix.  See RFC 3629 for details */
     1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 00-0F */
     1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
     1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
     1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
     1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
@@ -2217,7 +2217,7 @@
 #endif
     PyObject *errorHandler = NULL;
     PyObject *exc = NULL;
-    
+
     q = (unsigned char *)s;
     e = q + size;
 
@@ -8759,7 +8759,8 @@
 }
 
 PyDoc_STRVAR(unicode_doc,
-             "unicode(string [, encoding[, errors]]) -> object\n\
+             "unicode(object='') -> unicode object\n\
+unicode(string[, encoding[, errors]]) -> unicode object\n\
 \n\
 Create a new Unicode object from the given encoded string.\n\
 encoding defaults to the current default string encoding.\n\