Adds a comment above code to handle "/" route

We only want "/" to match the home route; this comment explains that.

1 files changed, 4 insertions, 0 deletions

diff --git a/cmd/web/handlers.go b/cmd/web/handlers.go
index 667c38b..bfe73dd 100644
--- a/cmd/web/handlers.go
+++ b/cmd/web/handlers.go
@@ -31,6 +31,10 @@ func (app *application) listOrganisation(w http.ResponseWriter, r *http.Request)
 }
 
 func (app *application) home(w http.ResponseWriter, r *http.Request) {
+    // Check if the current request URL path exactly matches "/". If it doesn't, use
+    // the http.NotFound() function to send a 404 response to the client.
+    // Importantly, we then return from the handler. If we don't return the handler
+    // would keep executing.
 	if r.URL.Path != "/" {
 		app.notFound(w)
 		return