diff --git a/src/caoscrawler/crawl.py b/src/caoscrawler/crawl.py
index 0273acefbb1ddbb9c3e91d6be441ee2ff81570a2..aa7db331cc3a16aef39bcfaa1d0b81617ca9f419 100644
--- a/src/caoscrawler/crawl.py
+++ b/src/caoscrawler/crawl.py
@@ -427,7 +427,7 @@ class Crawler(object):
         Convenience function that starts the crawler (calls start_crawling)
         with a single directory as the StructureElement.
 
-        restricted_path: optional, list of string
+        restricted_path: optional, list of strings
                 Traverse the data tree only along the given path. When the end of the given path
                 is reached, traverse the full tree as normal.
         """
@@ -495,7 +495,7 @@ class Crawler(object):
         crawler_definition : dict
              A dictionary representing the crawler definition, possibly from a yaml
              file.
-        restricted_path: optional, list of string
+        restricted_path: optional, list of strings
              Traverse the data tree only along the given path. When the end of the given path
              is reached, traverse the full tree as normal.
 
@@ -1317,7 +1317,7 @@ def crawler_main(crawled_directory_path: str,
         securityMode of Crawler
     unique_names : bool
         whether or not to update or insert entities inspite of name conflicts
-    restricted_path: optional, list of string
+    restricted_path: optional, list of strings
             Traverse the data tree only along the given path. When the end of the given path
             is reached, traverse the full tree as normal.