Update (#2)

Reviewed-on: #2
Co-authored-by: John Burton <john.burton@jbmail.com>
Co-committed-by: John Burton <john.burton@jbmail.com>

src/main.cpp

@@ -1,8 +1,12 @@
 #include <iostream>
 
-// Add six
+std::string get_greeting() {
+    return "Hello, world!";
+}
+
+// Add the number of things.
 int add_6(int cx) {
-	return 3 + cx;
+	return 6 + cx;
 }
 
 int main() {