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diff --git a/compiler/rustc_error_codes/src/error_codes/E0324.md b/compiler/rustc_error_codes/src/error_codes/E0324.md
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+A method was implemented when another trait item was expected.
+
+Erroneous code example:
+
+```compile_fail,E0324
+struct Bar;
+
+trait Foo {
+    const N : u32;
+
+    fn M();
+}
+
+impl Foo for Bar {
+    fn N() {}
+    // error: item `N` is an associated method, which doesn't match its
+    //        trait `<Bar as Foo>`
+}
+```
+
+To fix this error, please verify that the method name wasn't misspelled and
+verify that you are indeed implementing the correct trait items. Example:
+
+```
+struct Bar;
+
+trait Foo {
+    const N : u32;
+
+    fn M();
+}
+
+impl Foo for Bar {
+    const N : u32 = 0;
+
+    fn M() {} // ok!
+}
+```