diff --git a/create_report.py b/create_report.py
index 63e2a98..a24d502 100644
--- a/create_report.py
+++ b/create_report.py
@@ -16,7 +16,18 @@ import urllib.parse
 import time
 
 
-def get_slo(ENV, DTAPIToken, DTENV) -> pd.DataFrame:
+def get_slo(ENV: str, DTAPIToken: str, DTENV: str) -> pd.DataFrame:
+    """
+    Returns SLO data from dynatrace
+
+    Args:
+        ENV (str): Environment (euprod, naprod, cnprod)
+        DTAPIToken (str): Token for respective environment
+        DTENV (str): Full URL for the respective environment
+
+    Returns:
+        pd.DataFrame: Dataframe containing data from dynatrace
+    """
     # DTENV = base url
     # DTAPIToken = sec token
     dtclient = dynatraceAPI.Dynatrace(DTENV, DTAPIToken)
@@ -45,9 +56,8 @@ def build_params(params: typing.Dict) -> str:
     return query_string
 
 
-# TODO: remove env parameter
 def get_data_from_dynatrace(
-    throttling: float | int,
+    throttling_rate: float | int,
     token: str,
     env_url: str,
     params: typing.Dict | str,
@@ -67,9 +77,7 @@ def get_data_from_dynatrace(
         typing.Dict: Returns the response as
     """
 
-    # TODO: add nextpage key feature
-
-    time.sleep(throttling)
+    time.sleep(throttling_rate)
 
     if type(params) is dict:
         params_string = f"?{build_params(params)}"
@@ -179,6 +187,12 @@ def build_dataframe_for_report(report_items: typing.Dict) -> pd.DataFrame:
 
 
 def write_xlsx(df: pd.DataFrame) -> None:
+    """
+    Takes in a pandas dataframe and generates writes it into a XLSX file
+
+    Args:
+        df (pd.DataFrame): Dataframe containing the necessary data for the report
+    """
     filename = f"CoCo-APM-Report_{datetime.date.today()}.xlsx"
     writer = pd.ExcelWriter(filename, engine="xlsxwriter")
     df.to_excel(writer, sheet_name="hosts", index=False)
@@ -282,6 +296,16 @@ def develop_load_json():
 
 
 def check_if_service_already_exists(services: list, entity_id: str) -> bool:
+    """
+    Requests point to the same service. This leads to double entries but we only need the data once.
+
+    Args:
+        services (list): List with services
+        entity_id (str): Entity Id for lookup
+
+    Returns:
+        bool: Returns True if the service is already present else False.
+    """
     result = False
     for service in services:
         if service["entityId"] == entity_id:
@@ -290,6 +314,12 @@ def check_if_service_already_exists(services: list, entity_id: str) -> bool:
 
 
 def build_dataframe_data(data: typing.Dict) -> None:
+    """
+    This function builds the data for the dataframe, which will be used to generate the report. Contains all data but process_groups.
+
+    Args:
+        data (typing.Dict): Takes in the dictionary containing all the raw data from dynatrace.
+    """
     df_data = []
 
     for hub in data:
@@ -343,6 +373,9 @@ def build_dataframe_data(data: typing.Dict) -> None:
 
 @timer
 def main() -> None:
+    """
+    Entrypoint.
+    """
     throttling_rate: int | float = 0.25  # only tested with 0.5
     reportItem = {}
     with open("./environment.yaml") as file: