DOC: Add Index.difference

sinhrks · sinhrks · commit 031772c151aa · 2015-05-21T22:47:08.000+09:00
diff --git a/doc/source/api.rst b/doc/source/api.rst
@@ -1262,7 +1262,7 @@ Modifying and Computations
    Index.argmax
    Index.copy
    Index.delete
-   Index.diff
+   Index.difference
    Index.sym_diff
    Index.drop
    Index.drop_duplicates
