fixed typo

app.py

@@ -9,7 +9,7 @@ from sentence_transformers import util
 
 @st.cache(hash_funcs={list: lambda _: None})
 def load_raw_sentences(filename):
-    fitered_data = []
+    filtered_data = []
     with open(filename) as f:
         raw_data = f.readlines()
         for line in raw_data: