added some filter descriptions

similarity_page.py

@@ -137,6 +137,11 @@ embeddings = load_embeddings_and_index()
 
 def show_multi_matching_page():
     #st.write(f"Current RAM usage of this app: {get_process_memory():.2f} MB")
+    st.caption("""
+                Multi-project matching allows you to search for projects within the selected filter setting to find another similar project. 
+                The second matching project must not qualify for the selected filter and is calculated by an AI similarity score comparing the projects. 
+                This App includes all in the IATI Database listed Projects of following Organizations: BMZ, KFW, GIZ, IAD, ADB, AFDB, EIB, WB, WBTF and the German Federal Foreign Office (AA).
+                """)
 
     col1, col2, col3 = st.columns([10, 1, 10])
     with col1:
@@ -208,8 +213,8 @@ def show_multi_matching_page():
                 placeholder="All organizations selected"
                 )
         
-        different_orga_checkbox = st.checkbox("Only matches between different organizations")
-        filterd_country_only_checkbox = st.checkbox("Only matches between filtered countries")
+        different_orga_checkbox = st.checkbox("Only matches between different organizations", value=True)
+        filterd_country_only_checkbox = st.checkbox("Only matches between filtered countries", value=True)
 
 
     # CRS CODE LIST