Update using-nested-paths-in-rust.md

Author: vandadnp

tipsandtricks/using-nested-paths-in-rust.md

@@ -1,5 +1,5 @@
 # Using Nested Paths in Rust
 
-[Source Code](../code/using-nested-paths-in-rust.rs)
+[Source Code](../source/using-nested-paths-in-rust.rs)
 
 ![](../images/using-nested-paths-in-rust.jpg)