fixed minor typos

.gitignore

@@ -1,4 +1,4 @@
-pdfs/
+pdfs
 .vscode/
 
 # Byte-compiled / optimized / DLL files

app_modules/llm_chat_chain.py

@@ -13,7 +13,7 @@ def get_llama_2_prompt_template():
     B_SYS, E_SYS = "<<SYS>>\n", "\n<</SYS>>\n\n"
 
     instruction = "Chat History:\n\n{chat_history} \n\nUser: {question}"
-    system_prompt = "You are a helpful assistant, you always only answer for the assistant then you stop. read the chat history to get context"
+    system_prompt = "You are a helpful assistant, you always only answer for the assistant then you stop. Read the chat history to get context"
 
     SYSTEM_PROMPT = B_SYS + system_prompt + E_SYS
     prompt_template = B_INST + SYSTEM_PROMPT + instruction + E_INST