diff --git a/pulsardb/fromtim.py b/pulsardb/fromtim.py
index 8a4a3d3..4b6abf4 100644
--- a/pulsardb/fromtim.py
+++ b/pulsardb/fromtim.py
@@ -32,6 +32,8 @@ def fromtim(
     """
     Parse a timfile and generate observation records
 
+    Collects TOAs with the same ``name`` and determines total time as the sum of individual durations
+
     Parameters
     ----------
     timfile : str or path-like