Fix typo on indexes tutorial page (#4998)

mkusaka · web-flow · commit 6045606059cd · 2021-05-21T02:11:34.000-04:00
diff --git a/source/reference/indexes.txt b/source/reference/indexes.txt
@@ -127,7 +127,7 @@ Index Management Rake Tasks
 ===========================
 
 When you want to create the indexes in the database, use the provided
-``db:mongoid::create_indexes`` Rake task:
+``db:mongoid:create_indexes`` Rake task:
 
 .. code-block:: bash
 
