diff --git a/examples/Fragmentation/swiftest_fragmentation.py b/examples/Fragmentation/swiftest_fragmentation.py
index d533bee0a..417c01577 100644
--- a/examples/Fragmentation/swiftest_fragmentation.py
+++ b/examples/Fragmentation/swiftest_fragmentation.py
@@ -29,8 +29,8 @@
 Each subdirectory contains:
 data.nc             : A NetCDF file containing the simulation output.
 init_cond.nc        : A NetCDF file containing the initial conditions for the simulation.
-collision_000001.nc : A NetCDF file containing the data for the collision.
-encounter_000001.nc : A NetCDF file containing the data for the close encounter.
+collision_000001.nc : A NetCDF file containing the data for the collisions.
+encounter_000001.nc : A NetCDF file containing the data for the close encounters.
 dump_bin1.nc        : A NetCDF file containing the necessary inputs to restart a simulation from t!=0.
 dump_bin2.nc        : A NetCDF file containing the necessary inputs to restart a simulation from t!=0.
 dump_param1.in      : An ASCII file containing the necessary parameters to restart a simulation.
diff --git a/python/swiftest/swiftest/simulation_class.py b/python/swiftest/swiftest/simulation_class.py
index 8a27de3d0..ad5e8eb0f 100644
--- a/python/swiftest/swiftest/simulation_class.py
+++ b/python/swiftest/swiftest/simulation_class.py
@@ -211,12 +211,12 @@ def __init__(self,read_param: bool = False, read_old_output: bool = False, simdi
             but not each other (SyMBA only). *Note.* Only mtiny or gmtiny is accepted, not both.
             Parameter input file equivalent: `GMTINY`
         close_encounter_check : bool, default True
-            Check for close encounter between bodies. If set to True, then the radii of massive bodies must be included
+            Check for close encounters between bodies. If set to True, then the radii of massive bodies must be included
             in initial conditions.
             Parameter input file equivalent: `CHK_CLOSE`
         encounter_save : {"NONE","TRAJECTORY","CLOSEST", "BOTH"}, default "NONE"
             Indicate if and how encounter data should be saved. If set to "TRAJECTORY", the position and velocity vectors
-            of all bodies undergoing close encounter are saved at each intermediate step to the encounter files.
+            of all bodies undergoing close encounters are saved at each intermediate step to the encounter files.
             If set to "CLOSEST", the position  and velocities at the point of closest approach between pairs of bodies are 
             computed and stored to the encounter files. If set to "BOTH", then this stores the values that would be computed
             in "TRAJECTORY" and "CLOSEST". If set to "NONE" no trajectory information is saved.
@@ -316,8 +316,8 @@ def __init__(self,read_param: bool = False, read_old_output: bool = False, simdi
         self.param = {}
         self.data = xr.Dataset()
         self.init_cond = xr.Dataset()
-        self.encounter = xr.Dataset()
-        self.collision = xr.Dataset()
+        self.encounters = xr.Dataset()
+        self.collisions = xr.Dataset()
 
         self.simdir = Path(simdir)
         if self.simdir.exists():
@@ -1035,7 +1035,7 @@ def set_feature(self,
         Parameters
         ----------
         close_encounter_check : bool, optional
-            Check for close encounter between bodies. If set to True, then the radii of massive bodies must be included
+            Check for close encounters between bodies. If set to True, then the radii of massive bodies must be included
             in initial conditions.
         encounter_save : {"NONE","TRAJECTORY","CLOSEST","BOTH"}, default "NONE"
             Indicate if and how encounter data should be saved. If set to "TRAJECTORY", the position and velocity vectors
@@ -2758,7 +2758,7 @@ def read_encounter(self):
             return
 
         if self.verbose:
-            print("Reading encounter history file as .encounter")
+            print("Reading encounter history file as .encounters")
 
         enc_files.sort()
 
@@ -2767,28 +2767,28 @@ def _preprocess(ds, param):
             return io.process_netcdf_input(ds,param)
         partial_func = partial(_preprocess, param=self.param)
 
-        self.encounter = xr.open_mfdataset(enc_files,parallel=True,combine="nested",concat_dim="time",join="left",preprocess=partial_func,mask_and_scale=True)
-        self.encounter = io.process_netcdf_input(self.encounter, self.param)
+        self.encounters = xr.open_mfdataset(enc_files,parallel=True,combine="nested",concat_dim="time",join="left",preprocess=partial_func,mask_and_scale=True)
+        self.encounters = io.process_netcdf_input(self.encounters, self.param)
         # Remove any overlapping time values
-        tgood,tid = np.unique(self.encounter.time,return_index=True)
-        self.encounter = self.encounter.isel(time=tid)
+        tgood,tid = np.unique(self.encounters.time,return_index=True)
+        self.encounters = self.encounters.isel(time=tid)
         # Remove any NaN values
-        tgood=self.encounter.time.where(~np.isnan(self.encounter.time),drop=True)
-        self.encounter = self.encounter.sel(time=tgood)
+        tgood=self.encounters.time.where(~np.isnan(self.encounters.time),drop=True)
+        self.encounters = self.encounters.sel(time=tgood)
 
         return
 
     def read_collision(self):
        
-        col_file = self.simdir / "collision.nc"
+        col_file = self.simdir / "collisions.nc"
         if not os.path.exists(col_file):
            return
 
         if self.verbose:
-                print("Reading collision history file as .collision")
+                print("Reading collisions history file as .collisions")
 
-        self.collision = xr.open_dataset(col_file)
-        self.collision = io.process_netcdf_input(self.collision, self.param)
+        self.collisions = xr.open_dataset(col_file)
+        self.collisions = io.process_netcdf_input(self.collisions, self.param)
 
         return