Examples: How not to write...

First, an example from a daily newspaper (bold used to point out errors). Then, examples we have corrected for customers

From a newspaper:

Tuesday’s vote on whether to repeal the motion followed an announcement by Norway last week that it would not grant funding to any of the nearly 100 Polish municipalities that have issued LGBT-free resolutions. 34 words but NO COMMA's!!!) https://www.huffpost.com/entry/krasnik-poland-lgbtq-free-zone-legislation_n_5f6a62a4c5b6189caef92716

ORIGINAL: One can point out that innovations in tourism often refers to the concept of clusters. In the economic aspect, the word cluster was used for the first time by Porter (1990, p. 151). According to Porter (2001, p.248) a cluster, means a centre in a geographic neighbourhood of companies, specialized suppliers, units that perform services, companies which function in related sectors and institutions connected with them (for example universities, ??? support??? units or cooperation societies and groups), which build in a given field, connected by similarities and complementing each other.

CHANGED TO: One can point out that the innovations in tourism often refer to the concept of clustering. In the economic area, the word cluster was used for the first time by Porter (1990, p. 151). According to Porter (2001, p.248) a cluster means a geographic neighbourhood of companies, including specialized suppliers, units that perform services, companies which function in related sectors and institutions connected with them (for example universities, normalizing units or cooperation societies), which take up a given field, connected by similarities and complementing each other.