Update README.md

README.md

@@ -12,10 +12,14 @@ Output labels:
 
 ## Using the model
 
-Install transformers, if already not installed:
-
-    terminal: pip install transformers
-    notebooks (Colab, Kaggle): !pip install transformers
+Install transformers and emoji, if already not installed:
+
+    terminal:
+            pip install transformers
+            pip install emoji (for converting emoticons or emojis into text)
+    notebooks (Colab, Kaggle):
+            !pip install transformers
+            !pip install emoji
 
 Import BERTsent from the transformers library: