fix typo (keras-team#2881)

* fix typo

* Update scikit-learn-api.md

Author: nzw0301

docs/templates/scikit-learn-api.md

@@ -1,4 +1,4 @@
-# Wrappers for the Sciki-Learn API
+# Wrappers for the Scikit-Learn API
 
 You can use `Sequential` Keras models (single-input only) as part of your Scikit-Learn workflow via the wrappers found at `keras.wrappers.sklearn.py`.
 
@@ -42,4 +42,4 @@ fitting (predicting) parameters are selected in the following order:
 When using scikit-learn's `grid_search` API, legal tunable parameters are
 those you could pass to `sk_params`, including fitting parameters.
 In other words, you could use `grid_search` to search for the best
-`batch_size` or `nb_epoch` as well as the model parameters.
+`batch_size` or `nb_epoch` as well as the model parameters.