diff --git a/debrisframe/c1Ti/c1TiCfg.ini b/debrisframe/c1Ti/c1TiCfg.ini
index b5ca11a..5d67700 100644
--- a/debrisframe/c1Ti/c1TiCfg.ini
+++ b/debrisframe/c1Ti/c1TiCfg.ini
@@ -35,6 +35,15 @@ rhoEnt = 2000
 # mass per particle (if MPPDIR is used) [kg]
 massPerPart = 280000.
 
+#+++++++++++++Hydrograph
+# if hydrograph is True, add hydrograph, provide the hydrograph values in a csv-table in the HYDR folder
+hydrograph = False
+# when checking if an already existing particle is within a hydrograph polygon
+# (that would cause numerical instabilities and rise an error), one can decide to add a buffer
+# around the polygon (0 means take strictly the points inside, a very small value
+# will include the points located on the polygon line)
+thresholdPointInHydr = 0.01
+
 #++++++++++++Friction model
 # add the friction using an explicit formulation (1)
 # or use an implicit method (0)
diff --git a/docs/source/installation.rst b/docs/source/installation.rst
index 1638574..c8ec6fe 100644
--- a/docs/source/installation.rst
+++ b/docs/source/installation.rst
@@ -30,7 +30,7 @@ change into your ``debrisframe`` directory (replace [YOURDIR] with your path fro
 
 
   cd [YOURDIR]/DebrisFrame/debrisframe
-  python runComo1Debris.py
+  python runC1Ti.py