diff --git a/nmdc_automation/workflow_automation/watch_nmdc.py b/nmdc_automation/workflow_automation/watch_nmdc.py
index 852a470..cd5b630 100644
--- a/nmdc_automation/workflow_automation/watch_nmdc.py
+++ b/nmdc_automation/workflow_automation/watch_nmdc.py
@@ -87,7 +87,9 @@ def write_metadata_if_not_exists(self, job: WorkflowJob)->Path:
 
 
 class JobManager:
-    def __init__(self, config, file_handler, init_cache: bool = True):
+    """ JobManager class for managing WorkflowJob objects """
+    def __init__(self, config: SiteConfig, file_handler: FileHandler, init_cache: bool = True):
+        """ Initialize the JobManager with a Config object and a FileHandler object """
         self.config = config
         self.file_handler = file_handler
         self._job_cache = []
@@ -98,18 +100,22 @@ def __init__(self, config, file_handler, init_cache: bool = True):
 
     @property
     def job_cache(self)-> List[WorkflowJob]:
+        """ Get the job cache """
         return self._job_cache
 
     @job_cache.setter
-    def job_cache(self, value):
+    def job_cache(self, value) -> None:
+        """ Set the job cache """
         self._job_cache = value
 
-    def job_checkpoint(self):
+    def job_checkpoint(self) -> Dict[str, Any]:
+        """ Get the state data for all jobs """
         jobs = [wfjob.workflow.state for wfjob in self.job_cache]
         data = {"jobs": jobs}
         return data
 
-    def save_checkpoint(self):
+    def save_checkpoint(self) -> None:
+        """ Save jobs to state data """
         data = self.job_checkpoint()
         self.file_handler.write_state(data)
 
@@ -131,12 +137,13 @@ def get_workflow_jobs_from_state(self)-> List[WorkflowJob]:
         return wf_job_list
 
 
-    def find_job_by_opid(self, opid):
+    def find_job_by_opid(self, opid) -> Optional[WorkflowJob]:
+        """ Find a job by operation id """
         return next((job for job in self.job_cache if job.opid == opid), None)
 
 
     def prepare_and_cache_new_job(self, new_job: WorkflowJob, opid: str, force=False)-> Optional[WorkflowJob]:
-
+        """ Prepare and cache a new job """
         if "object_id_latest" in new_job.workflow.config:
             logger.warning("Old record. Skipping.")
             return
@@ -153,6 +160,7 @@ def prepare_and_cache_new_job(self, new_job: WorkflowJob, opid: str, force=False
 
 
     def get_finished_jobs(self)->Tuple[List[WorkflowJob], List[WorkflowJob]]:
+        """ Get finished jobs """
         successful_jobs = []
         failed_jobs = []
         for job in self.job_cache:
@@ -166,6 +174,7 @@ def get_finished_jobs(self)->Tuple[List[WorkflowJob], List[WorkflowJob]]:
 
 
     def process_successful_job(self, job: WorkflowJob) -> Database:
+        """ Process a successful job """
         logger.info(f"Running post for op {job.opid}")
 
         output_path = self.file_handler.get_output_path(job)
@@ -183,15 +192,13 @@ def process_successful_job(self, job: WorkflowJob) -> Database:
         return database
 
 
-    def process_failed_job(self, job):
+    def process_failed_job(self, job) -> None:
+        """ Process a failed job """
         if job.failed_count < self._MAX_FAILS:
             job.failed_count += 1
             job.cromwell_submit()
 
 
-
-
-
 class RuntimeApiHandler:
     def __init__(self, config):
         self.runtime_api = NmdcRuntimeApi(config)