feat: specify to load csv files

Author: qfeuilla

module04/subject/en.subject.tex

@@ -165,7 +165,7 @@ \section*{Instructions}
 % ---------------------------------- %
 Write a class named \texttt{FileLoader} which implements the following methods:  
 \begin{itemize}
-  \item \texttt{load(path)}: takes as an argument the file path of the dataset to load, 
+  \item \texttt{load(path)}: takes as an argument the csv file path of the dataset to load, 
     displays a message specifying the dimensions of the dataset (e.g. 340 x 500) 
     and returns the dataset loaded as a pandas.DataFrame.
   \item \texttt{display(df, n)}: takes a pandas.DataFrame and an integer as arguments,