Merge branch 'master' into development

Author: gjbex

docs/README.md

@@ -1,7 +1,7 @@
 The Python programming language is increasingly popular.  It is a
 versatile language for general purpose programming and accessible
 for novice programmers.  However, it is also the de facto go-to
-language for machine learning applciations.  This training
+language for machine learning applications. This training
 introduces modules that are useful in that context.
 
 
@@ -58,14 +58,14 @@ Video recordings of this training are available on YouTube.
 1. [scikit-learn: classification and clustering](https://youtu.be/acXmk4Bx8pI) (12 minutes)
 1. [keras: introduction to neural networks](https://youtu.be/-CO0Y8wzYeI) (13 minutes)
 1. [keras: multilayer perceptrons for digit recognition](https://youtu.be/nAixWMYgzdo) (34 minutes)
-1. [keras: convolutional neural networks for digit recognition] (19 minutes)
+1. [keras: convolutional neural networks for digit recognition](https://youtu.be/L_2uTf24RiI) (19 minutes)
 1. [keras: recurrent neural networks for sentiment classification](https://youtu.be/TkafYl9APpM) (26 minutes)
 
 
 ## Target audience
 
 This training is for you if you need to use Python for machine learning
-pplcations.
+applications.
 
 
 ## Prerequisites