fixed small error in 'readme' file.

README.md

@@ -398,7 +398,7 @@ All predefined methods start with a capital letter and all constructed methods h
 
 * **OneHot(size)**
 
-Creates a OneHot vector of a given size, given a scalar in the previous layer that determines the OneHot-Index (the index at which the *1* in the vector will be placed).
+  Creates a OneHot vector of a given size, given a scalar in the previous layer that determines the OneHot-Index (the index at which the *1* in the vector will be placed).
 
   * **size** (integer > 0, optional): The OneHot-vector's size. Can be omitted to automatically use the output size of the architecture.