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diff --git a/compiler/rustc_error_codes/src/error_codes/E0747.md b/compiler/rustc_error_codes/src/error_codes/E0747.md
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+Generic arguments were not provided in the same order as the corresponding
+generic parameters are declared.
+
+Erroneous code example:
+
+```compile_fail,E0747
+struct S<'a, T>(&'a T);
+
+type X = S<(), 'static>; // error: the type argument is provided before the
+                         // lifetime argument
+```
+
+The argument order should be changed to match the parameter declaration
+order, as in the following:
+
+```
+struct S<'a, T>(&'a T);
+
+type X = S<'static, ()>; // ok
+```