Hello VictorIE. At node/5123390146 you have tagged `contact::instagram` instead of `contact:instagram`, right? And for instagram it is enough to tag the @username, please have a look at contact=*
#typo

Hello guidofioravanti. At way/527026048 you have tagged `car_washing` instead of the more common `car_wash`, right? Please have a look at https://taginfo.openstreetmap.org/search?q=wash

Hello aharvey. At way/10042473
you have tagged `bus:maxweight` instead of the more common `maxweight:...`. Please have a look at https://taginfo.openstreetmap.org/search?q=maxweight

Hello JAAS. At way/392536678 you have tagged `Alt_name` instead of `alt_name`, right? #typo

Hello RoadWarrier. In this and other changesets you have used (copy'n'paste) `addr;country` (semicolon) instead of `addr:country` (colon), right? #typo

Hello coolkaas. At node/5115869128 you have used `addr2:*` which is so far unkown, although it's mentioned in the wiki. Please have a look at the following discussion: changeset/52055095

Hallo Galbinus. Bei way/316570853 sollte es bei `3=B 217` bestimmt ein `ref=B 217` werden, oder? ;-) #typo

Indeed, what is `(new tag)b=h` for? #newkey

Just leaving this comment as a reminder for `source` and `SOURCE` ... and all the other MassGIS tags ;-)

Hello Mappernerd. At node/5121407405 you have tagged `Tamaraind=Crockshop & Ralphs`. Should it be the `name` instead? #newkey

Hello jpennycook. At
way/24734491
way/30184638
way/24151407
you have tagged `servoice` instead of `service`, right? #typo

Hello Meiyizhou. At node/5121187789 you have tagged `road sign=Height restriction` instead of `traffic_sign=maxheight`, right? Please have a look at traffic_sign=*
This is for the traffic sign (node) itself. But you have to tag this to the way as an attribute, too.

Hello zhemeli DT. With this changeset you have introduced some new (so far unkown und undocumented) keys: `doritorios`, `laboratorios`. What is it for? What is the english translation?
Also you have tagged several (residential) building with name=CASA. Does all these buildings have really the name CASA? Please have a look at osm.wiki/Names and building=*
Also you have named all the paths as "camino", why?

http://osm.mueschelsoft.de/taginfo/newkeys.htm

Hello Hagar66. At node/5121426932 you have tagged `netword` instead of `network`, right? #typo

Hello SK53. At way/8035155 you have tagged `maxpseed` instead of `maxspeed`, right? #typo

Hello pilotrobert. It's me again ;-) Also icao and faa have to be lowercase ...
https://taginfo.openstreetmap.org/search?q=faa
https://taginfo.openstreetmap.org/search?q=icao
osm.wiki/Aeroways

Hello Boggedy. At way/526315370 you have tagged `Hugo=Schmeisser`. What is it/that? #newkey

Hello Werewombat. At way/526870771 you have tagged `histsoric` instead of `historic`, right? #typo

Hallo b****. Bei node/5122354365 hast du `free_flying:hang-gliding` anstatt dem häufig verwendeten `free_flying:hanggliding`, siehe
https://taginfo.openstreetmap.org/keys/free_flying%3Ahanggliding