diff --git a/serpapi/apple_app_store_search.py b/serpapi/apple_app_store_search.py
index 57fcf07..2471c5a 100644
--- a/serpapi/apple_app_store_search.py
+++ b/serpapi/apple_app_store_search.py
@@ -17,4 +17,4 @@ def __init__(self, params_dict):
         super(AppleAppStoreSearch, self).__init__(params_dict, APPLE_APP_STORE_ENGINE)
 
     def get_location(self, q, limit = 5):
-        raise SerpApiClientException("location is not supported by youtube search engine")
+        raise SerpApiClientException("location is not supported by Apple Search search engine")
diff --git a/serpapi/duck_duck_go_search.py b/serpapi/duck_duck_go_search.py
index a9462c7..38ec856 100644
--- a/serpapi/duck_duck_go_search.py
+++ b/serpapi/duck_duck_go_search.py
@@ -17,4 +17,4 @@ def __init__(self, params_dict):
         super(DuckDuckGoSearch, self).__init__(params_dict, DUCKDUCKGO_ENGINE)
 
     def get_location(self, q, limit = 5):
-        raise SerpApiClientException("location is not supported by walmart search engine")
+        raise SerpApiClientException("location is not supported by DuckDuckGo search engine")
diff --git a/serpapi/naver_search.py b/serpapi/naver_search.py
index cc26dff..8dbc230 100644
--- a/serpapi/naver_search.py
+++ b/serpapi/naver_search.py
@@ -17,4 +17,4 @@ def __init__(self, params_dict):
         super(NaverSearch, self).__init__(params_dict, NAVER_ENGINE)
 
     def get_location(self, q, limit = 5):
-        raise SerpApiClientException("location is not supported by youtube search engine")
+        raise SerpApiClientException("location is not supported by Naver search engine")