I started playing the game around 1-2 weeks ago and had that feeling during the EA already and it might be one of the only things that is genuinely frustrating/bad.
There is a CRAZY amount of either poorly worded/wrong/misleading or flat-out missing descriptions that can have severely negative impacts on gameplay.
I don't know how often I went out of my way to check the wiki or youtube to see what a spell does before picking it because the description was lacking or not there without casting it.
I overall don't mind being able to chose between simple & detailed descriptions of spells depending on what you prefer, but if you couldn't check online or knew the spells already you had a hard/impossible time not making mistakes just because the info is hidden.
Couple examples:
Warding Bond:
Its main description doesn't tell you that you will receive 100% of the resisted damage and you can only find that info by observing it or inspecting the condition.
They should just add the line that you can read in the condition that tells you that the resisted damage is redirected to you in the main ability
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Spiritual Weapon:
Its main description doesn't tell you that it lasts 10 rounds or what kind of weapon you can summon & what they can do or with what they scale & that you can only summon one at a time.
It should state that its attack scales with your prof and ability & list the weapons in yellow so you can at least inspect them to read their HP/AC/Attacks etc as you can't do that when picking the spell as well as include a warning that you can only summon 1 at a time & when trying to summon a second that it lets you know that you will dismiss the first one.
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Invoke Duplicity:
Doesnt state that the stats of the illusion & that it is immobile + also misses any range/effect indicator which makes it very weird to use as a beginner.
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Concentration in general:
Is something every player has to engage with but isn't explained anywhere properly and missing completely from the tutorials page.
Tracking concentration, especially when you aren't currently in control of that character is very difficult to track and easily overlooked leading to unintentional concentration-breaks.
Casting a spell that requires concentration while already concentrating on a spell should give you a warning that you will end your currently existing one before casting the second spell.
That can also be very annoying during cutscenes when you don't remember what character does & doesn't currently concentrate on something, especially with stuff like guidance during checks when you afterwards realize that you totally forgot that your cleric that just casted guidance on your rogue to make the lockpicking easier now stopped concentrating on Shield of Faith and you lost a spellslot.
Even the tooltip of concentration is incorrect, it says you can cast only 1 spell at a time while it should say "maintain" because you can very well cast 2 spells with concentration in one round & the only thing that mentions concentration being able to be broken is "might be broken when they take damage" and that is the maximum info you can get in the game when going out of your way to inspect the concentration condition without any further explanation like "this is the range of damage can/cant break your concentration based on your ability roll + all important bonuses"
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Shove/Throw:
Completely missing from the tutorials too.
No info on how much weight you can shove/how much would be required to shove & the same for throw range/weight, you just have to guess or trial & error.
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Obscured/Cover:
To this day I couldn't even online find a proper explanation of what does & doesn't provide what amount of coverage or how lightly obscured vs heavily obscured impacts your stealth roll
Max range:
Not covered in the tutorials while also not being explained anywhere that & how ranged attacks further than your viewable normal range works or when it starts/stops.
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In general, all of these issues pose significant challenges for newcomers and are resolved through trial and error or heavy reliance on external sources. It's only reasonable to expect the game itself, especially its descriptions, to adequately state at the very least their basic bits of important information.
