Update README.md

Author: SohaibBazaz

README.md

@@ -8,7 +8,7 @@ Hey there! I am new to both Python and Mojo languages. In this repository, I wen
 
 1. **Length of last word** : returning the length of the last word in the string.
 2. **Student attendance record** : Whether or not the student is eligible for an attendance award
-3. **Remove repeating letters** : Removing the repeating letters in a string.
+3. **Remove repeating letters** : Removing the adjacent letters (one being capital) in a string.
 4. **Detect Capital letter usage** : Returning true if the usage of capitals in it is right.
 5. **Find the difference:** : Returning the extra letter among 2 strings