diff --git a/binarycpython/utils/grid.py b/binarycpython/utils/grid.py
index 4e667d2d1e77d58620a2b957e8f8a577e5c89b61..ee822191cbb6d321c301bec2b4a3503823464310 100644
--- a/binarycpython/utils/grid.py
+++ b/binarycpython/utils/grid.py
@@ -188,10 +188,10 @@ class Population(object):
         valuerange,
         resolution,
         spacingfunc,
-        precode,
         probdist,
         dphasevol,
         parameter_name,
+        precode=None,
         condition=None,
     ):
         """spec
diff --git a/binarycpython/utils/stellar_types.py b/binarycpython/utils/stellar_types.py
index 21760e129fe44906cdce998e4ea71dba1abf94cd..d18a63cf207f22823f1d00ac6dfaeb61191aa4c8 100644
--- a/binarycpython/utils/stellar_types.py
+++ b/binarycpython/utils/stellar_types.py
@@ -1,4 +1,4 @@
-stellar_type = {
+stellar_type_dict = {
     0: "low mass main sequence",
     1: "Main Sequence",
     2: "Hertzsprung Gap",
@@ -16,3 +16,22 @@ stellar_type = {
     14: "BLACK_HOLE",
     15: "MASSLESS REMNANT",
 }
+
+stellar_type_dict_short = {
+    0: "LMMS",
+    1: "MS",
+    2: "HG",
+    3: "First Giant Branch",
+    4: "CHeb",
+    5: "EAGB",
+    6: "TPAGB",
+    7: "HeMS",
+    8: "HeHG",
+    9: "HeGB",
+    10: "HeWD",
+    11: "COWD",
+    12: "ONeWD",
+    13: "NS",
+    14: "BH",
+    15: "MR",
+}