diff --git a/doc/whats_new.rst b/doc/whats_new.rst
index a61a3e6ab..24d791250 100644
--- a/doc/whats_new.rst
+++ b/doc/whats_new.rst
@@ -86,6 +86,12 @@ API
   convergence. User can constrain parameter ranges and specify solver,
   by `Carolina Fernandez Pujol`_ in :gh:`652`
 
+- :func:`network.add_tonic_bias` argument `amplitue` now  accepts a 
+  cell_type(str)-amplitude(float) dictionary in case `cell_type` argument is None,
+  othwerise `amplitue` is a float indicating the amplitude of the tonic input for the specific
+  `cell_type`
+  by `Camilo Diaz`_ in :gh:`766`
+
 .. _0.3:
 
 0.3