Update functions.py

functions.py

@@ -260,8 +260,8 @@ def retrieval_grader_grader(llm):
         2/ A FACT provided by the student
         
         You are grading RELEVANCE RECALL:
-        A score of 1 means that  the  FACT are relevant to the QUESTION. 
-        A score of 0 means that the FACT are relevant to the QUESTION. 
+        A score of 1 means that  the  FACT is relevant to the QUESTION. 
+        A score of 0 means that the FACT is relevant to the QUESTION. 
         1 is the highest (best) score. 0 is the lowest score you can give. 
         
         Explain your reasoning in a step-by-step manner. Ensure your reasoning and conclusion are correct.