diff --git a/pymyku/exception.py b/pymyku/exception.py
index 34245e1..15ffd40 100644
--- a/pymyku/exception.py
+++ b/pymyku/exception.py
@@ -1,11 +1,5 @@
 from requests import HTTPError
 
-
-class InvalidSubjectID(Exception):
-    '''The subject ID is not valid.'''
-    pass
-
-
 class TokenExpired(HTTPError):
     '''The access token has expired.'''
     pass
diff --git a/pymyku/pymyku.py b/pymyku/pymyku.py
index 55ada58..78e47ee 100644
--- a/pymyku/pymyku.py
+++ b/pymyku/pymyku.py
@@ -458,7 +458,7 @@ def search_subject(self, query: str) -> List[Dict[str, str]]:
         Parameters
         ----------
         query : str
-            Subject id to query. (At least 3 characters), e.g. '013', '01355119', 'eng' or 'english'
+            Subject id or name to query. (At least 3 characters), e.g. '013', '01355119', 'eng' or 'english'
 
         Returns
         -------