Index: docs/newforms.txt
===================================================================
--- docs/newforms.txt	(revision 7520)
+++ docs/newforms.txt	(working copy)
@@ -1382,6 +1382,20 @@
                                 as choices.
     ==============  ==========  ===============================================
 
+``FloatField``
+~~~~~~~~~~~~~~
+
+    * Default widget: ``TextInput``
+    * Empty value: ``None``
+    * Normalizes to: A Python float.
+    * Validates that the given value is an float. Leading and trailing
+      whitespace is allowed, as in Python's ``int()`` function.
+    * Error message keys: ``required``, ``invalid``, ``max_value``,
+      ``min_value``
+
+Takes two optional arguments for validation, ``max_value`` and ``min_value``.
+These control the range of values permitted in the field.
+
 ``ImageField``
 ~~~~~~~~~~~~~~