Minor tweak

Author: javiereguiluz

validation/sequence_provider.rst

@@ -139,13 +139,13 @@ that group are valid, the second group, ``Strict``, will be validated.
     infinite recursion (as the ``Default`` group references the group
     sequence, which will contain the ``Default`` group which references the
     same group sequence, ...).
-    
+
 .. caution::
-    
-    Calling ``validate()`` with a group in the sequence (``Strict`` in previous example)
-    will cause a validation **only** with that group and not with all the groups in the 
-    sequence.
-    This is because sequence is now referred to ``Default`` group validation.
+
+    Calling ``validate()`` with a group in the sequence (``Strict`` in previous
+    example) will cause a validation **only** with that group and not with all
+    the groups in the sequence. This is because sequence is now referred to
+    ``Default`` group validation.
 
 You can also define a group sequence in the ``validation_groups`` form option::