# Arduino Docs: misspelling in list of types

**URL:** <https://forum.arduino.cc/t/arduino-docs-misspelling-in-list-of-types/1466009>\
**Category:** Website and Forum\
**Created:** [October 31, 2026, 7:11pm UTC](https://forum.arduino.cc/t/arduino-docs-misspelling-in-list-of-types/1466009 "2026-10-31T19:11:03Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![xfpd](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/xfpd/32/1120236_2.png) [@xfpd](https://forum.arduino.cc/u/xfpd)\
**Post date:** [October 31, 2026, 7:11pm UTC](https://forum.arduino.cc/t/arduino-docs-misspelling-in-list-of-types/1466009/1 "2026-10-31T19:11:03Z")

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To [arduino.cc](http://arduino.cc) content authors...

In Arduino Docs \>\> types... the following pages...

- [https://docs.arduino.cc/language-reference/en/variables/data-types/boolean/](https://docs.arduino.cc/language-reference/en/variables/data-types/boolean/)
- [https://docs.arduino.cc/language-reference/en/variables/data-types/bool](https://docs.arduino.cc/language-reference/en/variables/data-types/bool)
- [https://docs.arduino.cc/language-reference/en/variables/data-types/double/](https://docs.arduino.cc/language-reference/en/variables/data-types/double/)
- [https://docs.arduino.cc/language-reference/en/variables/data-types/float/](https://docs.arduino.cc/language-reference/en/variables/data-types/float/)
- [https://docs.arduino.cc/language-reference/en/variables/data-types/size\_t/](https://docs.arduino.cc/language-reference/en/variables/data-types/size_t/)
- [https://docs.arduino.cc/language-reference/en/variables/data-types/word/](https://docs.arduino.cc/language-reference/en/variables/data-types/word/)

Have this "linked script" showing these errors.

 ![image](https://europe1.discourse-cdn.com/arduino/original/4X/e/b/d/ebd195d914e8f621463171df1a499b68b0c87753.png)

The entries in the graphic NOT in the list of links with the three/four errors DO NOT CONTAIN the "See Also" Script List Link of "types" in their web page.

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**Author:** ![ptillisch](https://avatars.discourse-cdn.com/v4/letter/p/ad7895/32.png) [@ptillisch](https://forum.arduino.cc/u/ptillisch)\
**Post date:** [October 31, 2026, 8:57pm UTC](https://forum.arduino.cc/t/arduino-docs-misspelling-in-list-of-types/1466009/2 "2026-10-31T20:57:54Z")

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> [@xfpd](#):
>
> ![image](https://europe1.discourse-cdn.com/arduino/original/4X/3/3/1/33198799c7e4767f89a1676f83c3f81752c1991f.png)

This link is not for c-strings (`char` array). It is for the [Arduino core API `String` class](https://github.com/arduino/ArduinoCore-API/blob/1.5.2/api/String.h). "stringObject" is of course still a poor way to refer to this.

> [@xfpd](#):
>
> ![image](https://europe1.discourse-cdn.com/arduino/original/4X/e/2/4/e247d4bd30eca676bbf159bd6d57b523b6b0f2f5.png)

You missed the even more painful typo, which is that they wrote "chat" instead of "char" 🤦‍♂️:

> <https://github.com/arduino/docs-content/issues/2958>
>
> https://docs.arduino.cc/language-reference/en/variables/data-types/bool/
> 
> At the… bottom of the page, under the "see also" section the link to "unsignedChar" says "unsignedChat".
> 
> I was really excited to learn about a new variable type :)

> [@xfpd](#):
>
> ![image](https://europe1.discourse-cdn.com/arduino/original/4X/9/0/5/905141a33ccdbd00443ee0e45ce324bba3ff06f2.png)

I have reported the problem of the incorrectly written type names to the Arduino documentation team.

> [@xfpd](#):
>
> The entries in the graphic NOT in the list of links with the three/four errors DO NOT CONTAIN the "See Also" Script List Link of "types" in their web page.

I have notified the documentation team of this inconsistency.

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<div class="post-metadata">

**Author:** ![xfpd](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/xfpd/32/1120236_2.png) [@xfpd](https://forum.arduino.cc/u/xfpd)\
**Post date:** [October 31, 2026, 9:40pm UTC](https://forum.arduino.cc/t/arduino-docs-misspelling-in-list-of-types/1466009/3 "2026-10-31T21:40:40Z")

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Sorry... I was a little clumsy with MSpaint. I meant "char" and "two words" to indicate the same "unsighedChat" (red arrow, versus orange arrow)

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**Author:** ![ptillisch](https://avatars.discourse-cdn.com/v4/letter/p/ad7895/32.png) [@ptillisch](https://forum.arduino.cc/u/ptillisch)\
**Post date:** [October 31, 2026, 9:41pm UTC](https://forum.arduino.cc/t/arduino-docs-misspelling-in-list-of-types/1466009/4 "2026-10-31T21:41:50Z")

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Ah, I understand the meaning now!