What on hell has the great migration with the Turkish people in Bulgaria? You claim that the Turkish people settled here during the Great Migrations?    
  	   	  
 The initial period starts during the 4th century and assumes a more massive character in the eve of the establishment of the Bulgar state. It continues until the transformation of the Tengriist Turkic Bulgars into the Slavic Bulgarians within a hundred years following their conversion to Orthodox Christianity in the middle of the ninth century. 

 :What does this statement to do with the Turkish people in Bulgaria? That referes to the formation of the modern Bulgarian people and has nothig to do with the Turkish people.    
  	  
 The Byzantine period includes the years of Byzantine rule during which the Pechenegs, Uzes (Oghuz Turks), and Cumans entered the Balkans. 

 :Those peoples are differed Turkic peoples, not the Turkish people.    
  	  
 The Ottoman period between the end of 14th and the 19th centuries during which the Turko-Islamic identity is consolidated. 

 :??? You can well write that statement in the following section.    
  	  
 In the course of these centuries Turkic communities gradually settled in Bulgaria. Turkic peoples, especially those who entered these territories during the Byzantine and Ottoman periods, left deep marks on the ethnic composition of the population. They played a decisive role in the formation of the Turkish community in Bulgaria. 

 :Turkic communities are not the topic of that article, it covers only of of the Turkic communities - the Turkish community so keep focused on it. Otherwise it would seem that all the abovementioned peoples were part of the Turkish people which is ridiculous.