diff --git a/.hash b/.hash
index 228c6c6..2dbd9f5 100644
--- a/.hash
+++ b/.hash
@@ -17,4 +17,4 @@ year2/artificial-intelligence-in-industry,88cde35
 year2/big-data-analytics-and-text-mining/module1,368d88d
 year2/big-data-analytics-and-text-mining/module2,368d88d
 year2/machine-learning-for-computer-vision,0b39104
-year2/natural-language-processing,2b24d40
+year2/natural-language-processing,7de54e2
diff --git a/year2/natural-language-processing/nlp.pdf b/year2/natural-language-processing/nlp.pdf
index e43c841..331224a 100644
Binary files a/year2/natural-language-processing/nlp.pdf and b/year2/natural-language-processing/nlp.pdf differ