diff --git a/pages/common/go-doc.md b/pages/common/go-doc.md
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+# go doc
+
+> Tool for showing documentation for package or symbol.
+> More information: <https://golang.org/cmd/go/>.
+
+- Show documentation for {{Foo}} in the current package:
+
+`go doc {{Foo}}`
+
+- Show documentation and method summary for {{json.Number}}:
+
+`go doc {{json.Number}}`