Konmak has the same meaning of koyulmak. So, it is not a mistake, it is correct. But it is a passive verb.

An example:

Yemeðe tuz konur - Salt is added to meal.

Angel

Everyone has cleared the matter ... and the problem is solved.  But in addition here are two examples to confirm what has already been explained [and a bit extra]

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(1)   "...Kuþ bu öðütü verir, sonra yüksek bir dala konup þoyle bir þarký söyler"

(2)  "Bu taþlar üzerine bir buçuk meter uzunluðunda bir deðnek konulur"

Further note re Passive [GL Lewis]

The passive of compound verb formed with ´etmek´ is expressed either with tha passive ´ed-il-mek´ or with a passive-looking form of ´olmak´ > ´Olunmak´

 eg.  Tatbik olmak - to apply

        Tatbik olunuyor - it is being applied

        Tatbik ediliyor - it is being applied

The TWO common exceptions to this rule are Kaybetmek > passive = kaybolmak, & Tiraþ etmek > passive Tiraþl almak 

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There are further notes on Passive ... but no need for them.  Since you do not have the GL Lewis book, I copied it out for you ... and hopefully for anyone else having same problem

To any intermediate learner I can recommend G.L. Lewis "Turkish" ISBN0 340 05828 5 > This book is a bit ´dated´

but it is truly best described as an ´ocean in a teacup´ ... it is very very cheap too [say £3] and fast diappearing because Lewis died two years ago and no reprints now ´cos it is a bit old fashioned in places.  Get it.  Search E-Bay or Amazon.  A good second hand one is even cheaper ... I got two copies and never ever regretted ´lol´.

Tazx1

But it is also a reflexive verb.

Kuþ dama ko-n-du.

Koymak is a later development from ko-mak due to sound changes. The older form is ko-mak but they both can be used these days.

The following are based on ko-mak form

kuþkonmaz

konak

konuk

dedikodu

gecekondu

bir korsam oturturum

We are observing the similar sound change for ne (what) today.

ne-n var and ney-in var

daha ne-m olacaktýn bir tanem

ne-si var and ney-i var

ne-niz var and ney-iniz var

etc.