message: docs: fix npm description in architecture modules guide
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diff: @@ -81,7 +81,7 @@ Other JavaScript modules use *import statements* to access public objects from o
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  -Angular loads as a collection of JavaScript modules. You can think of them as library modules. Each Angular library name begins with the `@angular` prefix. Install them with the `npm` package manager and import parts of them with JavaScript `import` statements.
  +Angular loads as a collection of JavaScript modules. You can think of them as library modules. Each Angular library name begins with the `@angular` prefix. Install them with the node package manager `npm` and import parts of them with JavaScript `import` statements.
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