clarify note re. leading :: in 2018

Centril · Feb 10, 2020 · a4cdf6d · a4cdf6d
1 parent d68e28c
commit a4cdf6d
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/paths.md b/src/paths.md
@@ -175,7 +175,8 @@ mod a {
 }
 mod b {
     pub fn foo() {
-        ::a::foo(); // call a's foo function
+        ::a::foo(); // call `a`'s foo function
+        // In Rust 2018, `::a` would be interpreted as the crate `a`.
     }
 }
 # fn main() {}