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diff --git a/compiler/rustc_error_codes/src/error_codes/E0026.md b/compiler/rustc_error_codes/src/error_codes/E0026.md
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+A struct pattern attempted to extract a non-existent field from a struct.
+
+Erroneous code example:
+
+```compile_fail,E0026
+struct Thing {
+    x: u32,
+    y: u32,
+}
+
+let thing = Thing { x: 0, y: 0 };
+
+match thing {
+    Thing { x, z } => {} // error: `Thing::z` field doesn't exist
+}
+```
+
+If you are using shorthand field patterns but want to refer to the struct field
+by a different name, you should rename it explicitly. Struct fields are
+identified by the name used before the colon `:` so struct patterns should
+resemble the declaration of the struct type being matched.
+
+```
+struct Thing {
+    x: u32,
+    y: u32,
+}
+
+let thing = Thing { x: 0, y: 0 };
+
+match thing {
+    Thing { x, y: z } => {} // we renamed `y` to `z`
+}
+```