style: Fixed small typos (#1174)

Author: waquas9248

code/backend/pages/01_Ingest_Data.py

@@ -111,7 +111,7 @@ def add_url_embeddings(urls: list[str]):
         col1, col2 = st.columns([3, 1])
         with col1:
             st.text_area(
-                "Add a URLs and than click on 'Compute Embeddings'",
+                "Add URLs and then click on 'Compute Embeddings'",
                 placeholder="PLACE YOUR URLS HERE SEPARATED BY A NEW LINE",
                 height=100,
                 key="urls",