diff --git a/api.py b/api.py
index 3e09e01..bd13f58 100644
--- a/api.py
+++ b/api.py
@@ -47,7 +47,6 @@ def pdf_to_text(path, start_page=1, end_page=None):
 
 def text_to_chunks(texts, word_length=150, start_page=1):
     text_toks = [t.split(' ') for t in texts]
-    page_nums = []
     chunks = []
 
     for idx, words in enumerate(text_toks):
diff --git a/app.py b/app.py
index 7827249..04a3a6a 100644
--- a/app.py
+++ b/app.py
@@ -16,10 +16,10 @@ def ask_api(
         return '[ERROR]: Invalid API Host'
 
     if url.strip() == '' and file == None:
-        return '[ERROR]: Both URL and PDF is empty. Provide atleast one.'
+        return '[ERROR]: Both URL and PDF is empty. Provide at least one.'
 
     if url.strip() != '' and file != None:
-        return '[ERROR]: Both URL and PDF is provided. Please provide only one (eiter URL or PDF).'
+        return '[ERROR]: Both URL and PDF is provided. Please provide only one (either URL or PDF).'
 
     if question.strip() == '':
         return '[ERROR]: Question field is empty'
@@ -66,7 +66,7 @@ with gr.Blocks() as demo:
                 placeholder='http://localhost:8080',
             )
             gr.Markdown(
-                f'<p style="text-align:center">Get your Open AI API key <a href="https://platform.openai.com/account/api-keys">here</a></p>'
+                '<p style="text-align:center">Get your Open AI API key <a href="https://platform.openai.com/account/api-keys">here</a></p>'
             )
             openAI_key = gr.Textbox(
                 label='Enter your OpenAI API key here', type='password'