Common mistakes made during Salah and corrections!

Assalaamu alaikum dear Muslims,
This book is about diverse topics,quotes,reminders,Hadith and any other thing concerning ISLAM. The prophet(S.A.W) said the following on seeking knowledge:Seeking knowledge is an obligation on all Muslims.
* Whoever treads a path in seeking knowledge, Allah will make easy for him the path to Paradise"
* "When a man dies all his deeds come to an end except for three: an ongoing charity, beneficial knowledge and a righteous son who prays for him." (Al-Bukhari)
Allah Almighty says in Noble Quran: "Allah raises of those who believe and those who have been given knowledge many levels."(Quran 58:11)