diff --git a/docs/source/modeling/example.rst b/docs/source/modeling/example.rst
index a774da7c..c804d801 100644
--- a/docs/source/modeling/example.rst
+++ b/docs/source/modeling/example.rst
@@ -104,7 +104,7 @@ Model Section
               # --- power balance ---
               pb = 'Bbus@aBus + Pbusinj + Cl@pd + Csh@gsh - Cg@pg'
               self.pb = Constraint(name='pb', info='power balance',
-                                   e_str=pb, type='eq',)
+                                   e_str=pb, is_eq=True,)
               # --- line flow ---
               self.plf = Var(info='Line flow',
                              unit='p.u.',
diff --git a/docs/source/modeling/routine.rst b/docs/source/modeling/routine.rst
index 7fcb736e..6cf8dbd4 100644
--- a/docs/source/modeling/routine.rst
+++ b/docs/source/modeling/routine.rst
@@ -24,7 +24,7 @@ A simplified code snippet for RTED is shown below as an example.
                                info='Sum Gen vars vector in shape of zone',
                                no_parse=True, sparse=True)
             ... ...
-            self.rbu = Constraint(name='rbu', type='eq',
+            self.rbu = Constraint(name='rbu', is_eq=True,
                                   info='RegUp reserve balance',
                                   e_str = 'gs @ mul(ug, pru) - dud')
             ... ...