diff --git a/src/app.R b/src/app.Rmd
similarity index 99%
rename from src/app.R
rename to src/app.Rmd
index 4ad7876..14419c2 100644
--- a/src/app.R
+++ b/src/app.Rmd
@@ -1,3 +1,5 @@
+# Web Interface
+```{r shiny}
 # Flight Trajectory Analysis - Shiny GUI Application
 # This app allows interactive selection of flights and displays trajectory analysis
 
@@ -552,3 +554,4 @@ server <- function(input, output, session) {
 
 # Run the application
 shinyApp(ui = ui, server = server)
+```
\ No newline at end of file