diff --git a/cve_bin_tool/data_sources/curl_source.py b/cve_bin_tool/data_sources/curl_source.py
index 41fe409426..819dd2f9aa 100644
--- a/cve_bin_tool/data_sources/curl_source.py
+++ b/cve_bin_tool/data_sources/curl_source.py
@@ -23,6 +23,8 @@
 
 
 class Curl_Source(Data_Source):
+    """Represents a data source for retrieving information about vulnerabilities in cURL."""
+
     SOURCE = "Curl"
     CACHEDIR = DISK_LOCATION_DEFAULT
     BACKUPCACHEDIR = DISK_LOCATION_BACKUP
@@ -30,6 +32,7 @@ class Curl_Source(Data_Source):
     DATA_SOURCE_LINK = "https://curl.se/docs/vuln.json"
 
     def __init__(self, error_mode=ErrorMode.TruncTrace):
+        """Initialize a Curl_Source instance. Args: error_mode (ErrorMode): The error mode to be used."""
         self.cve_list = None
         self.cachedir = self.CACHEDIR
         self.backup_cachedir = self.BACKUPCACHEDIR
@@ -40,12 +43,14 @@ def __init__(self, error_mode=ErrorMode.TruncTrace):
         self.vulnerability_data = []
 
     async def get_cve_data(self):
+        """Get cURL vulnerability data. Fetches the cURL vulnerability data and retrieves a list of affected data."""
         await self.fetch_cves()
         self.get_cve_list()
 
         return (None, self.affected_data), self.source_name
 
     async def fetch_cves(self):
+        """Fetch cURL vulnerabilities data."""
         if not self.session:
             connector = aiohttp.TCPConnector(limit_per_host=19)
             self.session = RateLimiter(
@@ -57,6 +62,7 @@ async def fetch_cves(self):
         await self.session.close()
 
     async def download_curl_vulnerabilities(self, session: RateLimiter) -> None:
+        """Download cURL vulnerability data and save it to a file. Args: session (RateLimiter): The session to use for the HTTP request."""
         async with await session.get(self.DATA_SOURCE_LINK) as response:
             response.raise_for_status()
             self.vulnerability_data = await response.json()
@@ -66,6 +72,7 @@ async def download_curl_vulnerabilities(self, session: RateLimiter) -> None:
             await f.write(json.dumps(self.vulnerability_data, indent=4))
 
     def get_cve_list(self):
+        """Get a list of affected cURL vulnerabilities."""
         self.affected_data = []
 
         for cve in self.vulnerability_data: