change error messages

main.go

@@ -14,7 +14,7 @@ func main() {
 	rand.Seed(time.Now().UnixNano())
 	db, err := sql.Open("sqlite", "prayers.db")
 	if err != nil {
-		fmt.Println("put prayers.db alongside the binary: "+ err.Error())
+		fmt.Println("error loading database driver: "+ err.Error())
 		os.Exit(1)
 	}
 	langcode := "en"
@@ -23,7 +23,7 @@ func main() {
 	}
 	rows, err := db.Query("select text, author from prayers where language = ?", langcode)
 	if err != nil {
-		fmt.Println("database query failed: " +err.Error())
+		fmt.Println("database query failed (is prayers.db in your current directory?): " +err.Error())
 		os.Exit(2)
 	}
 	var prayers []string