More minor doc updates for 2.5.

Author: behackett

pymongo/__init__.py

@@ -43,7 +43,7 @@
 GEOSPHERE = "2dsphere"
 """Index specifier for a `spherical geospatial index`_.
 
-.. versionadded:: 2.4.2+
+.. versionadded:: 2.5
 
 .. note:: 2dsphere indexing requires server version **>= 2.4.0**.
 
@@ -53,7 +53,7 @@
 HASHED = "hashed"
 """Index specifier for a `hashed index`_.
 
-.. versionadded:: 2.4.2+
+.. versionadded:: 2.5
 
 .. note:: hashed indexing requires server version **>= 2.4.0**.