diff --git a/src/hdf5_ops.py b/src/hdf5_ops.py
index 7172fd4..50c0fb3 100644
--- a/src/hdf5_ops.py
+++ b/src/hdf5_ops.py
@@ -44,11 +44,11 @@ class HDF5DataOpsManager():
 
     # Define public methods
 
-    def open_file(self): 
+    def load_file_obj(self): 
         if self.file_obj is None:
             self.file_obj = h5py.File(self.file_path, self.mode)
 
-    def close_file(self):
+    def unload_file_obj(self):
         if self.file_obj:
             self.file_obj.flush()  # Ensure all data is written to disk
             self.file_obj.close()
@@ -76,7 +76,7 @@ class HDF5DataOpsManager():
         returns a copy of the dataset content in the form of dataframe when possible or numpy array 
         """
         if self.file_obj is None:
-            self.open_file()
+            self.load_file_obj()
 
         dataset_obj = self.file_obj[dataset_name]
         # Read dataset content from dataset obj
@@ -148,7 +148,7 @@ class HDF5DataOpsManager():
             obj.attrs.update(annotation_dict_copy)
 
         except Exception as e:
-            self.close_file()
+            self.unload_file_obj()
             print(f"An unexpected error occurred: {e}. The file object has been properly closed.")
 
 
@@ -204,7 +204,7 @@ class HDF5DataOpsManager():
             obj.attrs.update(update_dict)
 
         except Exception as e:
-            self.close_file()
+            self.unload_file_obj()
             print(f"An unexpected error occurred: {e}. The file object has been properly closed.")
 
     def delete_metadata(self, obj_name, annotation_dict):
@@ -247,7 +247,7 @@ class HDF5DataOpsManager():
                     print(msg)
 
         except Exception as e:
-            self.close_file()
+            self.unload_file_obj()
             print(f"An unexpected error occurred: {e}. The file object has been properly closed.")
 
 
@@ -293,13 +293,13 @@ class HDF5DataOpsManager():
                     msg = f"Skipping: Attribute '{old_attr}' does not exist."
                     print(msg)  # Optionally, replace with warnings.warn(msg)
         except Exception as e:
-            self.close_file()
+            self.unload_file_obj()
             print(
                 f"An unexpected error occurred: {e}. The file object has been properly closed. "
                 "Please ensure that 'obj_name' exists in the file, and that the keys in 'renaming_map' are valid attributes of the object."
             )            
 
-        self.close_file()
+        self.unload_file_obj()
 
     def get_metadata(self, obj_path):
         """ Get file attributes from object at path = obj_path. For example,
@@ -392,7 +392,7 @@ class HDF5DataOpsManager():
         
         # Close the file if it's already open
         if self.file_obj is not None:
-            self.close_file()
+            self.unload_file_obj()
 
         # Attempt to open the file in 'r+' mode for appending
         try: