Index: db-api.txt
===================================================================
--- db-api.txt	(revision 4193)
+++ db-api.txt	(working copy)
@@ -142,10 +142,10 @@
 or ``UPDATE`` SQL statements. Specifically, when you call ``save()``, Django
 follows this algorithm:
 
-    * If the object's primary key attribute is set to a value that evaluates to
-      ``False`` (such as ``None`` or the empty string), Django executes a
-      ``SELECT`` query to determine whether a record with the given primary key
-      already exists.
+    * If the object's primary key attribute is set to a value that
+      evaluates to ``True`` (whatever excluding ``None`` or an empty
+      string), Django executes a ``SELECT`` query to determine whether a
+      record with the given primary key already exists.
     * If the record with the given primary key does already exist, Django
       executes an ``UPDATE`` query.
     * If the object's primary key attribute is *not* set, or if it's set but a