diff --git a/.hash b/.hash
index 17f09cb..67a14f6 100644
--- a/.hash
+++ b/.hash
@@ -15,4 +15,4 @@ year1/machine-learning-and-data-mining,79b3324
 year1/statistical-and-mathematical-methods-for-ai,f79fbee
 year2/artificial-intelligence-in-industry,1b115b3
 year2/machine-learning-for-computer-vision,d2b9dc3
-year2/natural-language-processing,5ebc5db
+year2/natural-language-processing,51038ca
diff --git a/year2/natural-language-processing/nlp.pdf b/year2/natural-language-processing/nlp.pdf
index 57ed1cd..9affdb7 100644
Binary files a/year2/natural-language-processing/nlp.pdf and b/year2/natural-language-processing/nlp.pdf differ