[DOCS][Script] Document the typed integer literal factory

Author: tqchen

include/tvm/script/printer/doc.h

@@ -281,7 +281,12 @@ class LiteralDoc : public ExprDoc {
     return LiteralDoc(IntImm::Int64(v), p);
   }
 
-  /*! rief Create an integer literal without narrowing its typed payload. */
+  /*!
+   * \brief Create an integer literal preserving its typed payload.
+   * \param v The typed integer value.
+   * \param p The object path.
+   * \return The integer literal.
+   */
   static LiteralDoc Int(IntImm v, const ffi::Optional<AccessPath>& p) {
     return LiteralDoc(std::move(v), p);
   }