diff --git a/pymongo/collection.py b/pymongo/collection.py
index 4354625cf..d1a5f9346 100644
--- a/pymongo/collection.py
+++ b/pymongo/collection.py
@@ -976,7 +976,7 @@ class Collection(common.BaseObject):
           >>> my_collection.create_index([("mike", pymongo.DESCENDING)],
           ...                            background=True)
 
-        Valid options include:
+        Valid options include, but are not limited to:
 
           - `name`: custom name to use for this index - if none is
             given, a name will be generated
@@ -1000,6 +1000,9 @@ class Collection(common.BaseObject):
             values are dropped during index creation when creating a unique
             index
 
+        See the MongoDB documentation for a full list of supported options by
+        server version.
+
         .. warning:: `dropDups` / `drop_dups` is no longer supported by
           MongoDB starting with server version 2.7.5. The option is silently
           ignored by the server and unique index builds using the option will
@@ -1111,7 +1114,8 @@ class Collection(common.BaseObject):
         ``None`` if the index is already cached.
 
         All optional index creation parameters should be passed as
-        keyword arguments to this method. Valid options include:
+        keyword arguments to this method. Valid options include, but are not
+        limited to:
 
           - `name`: custom name to use for this index - if none is
             given, a name will be generated
@@ -1135,6 +1139,9 @@ class Collection(common.BaseObject):
             values are dropped during index creation when creating a unique
             index
 
+        See the MongoDB documentation for a full list of supported options by
+        server version.
+
         .. warning:: `dropDups` / `drop_dups` is no longer supported by
           MongoDB starting with server version 2.7.5. The option is silently
           ignored by the server and unique index builds using the option will
diff --git a/pymongo/database.py b/pymongo/database.py
index 7d467dd63..4b1341e40 100644
--- a/pymongo/database.py
+++ b/pymongo/database.py
@@ -208,8 +208,8 @@ class Database(common.BaseObject):
         creation. :class:`~pymongo.errors.CollectionInvalid` will be
         raised if the collection already exists.
 
-        Options should be passed as keyword arguments to this
-        method. Any of the following options are valid:
+        Options should be passed as keyword arguments to this method. Supported
+        options vary with MongoDB release. Some examples include:
 
           - "size": desired initial size for the collection (in
             bytes). For capped collections this size is the max
@@ -217,6 +217,9 @@ class Database(common.BaseObject):
           - "capped": if True, this is a capped collection
           - "max": maximum number of objects if capped (optional)
 
+        See the MongoDB documentation for a full list of supported options by
+        server version.
+
         :Parameters:
           - `name`: the name of the collection to create
           - `**kwargs` (optional): additional keyword arguments will