diff --git a/High_Level_Requirements b/High_Level_Requirements
index 57c5eb0..ebd1ca4 100644
--- a/High_Level_Requirements
+++ b/High_Level_Requirements
@@ -1,8 +1,10 @@
 High Level requirements for the math library
 Math features
-Sine - This feature shall take an input value and calculate and return the sine value
+Math_HLR_1 - Sine - This feature shall take an input value and calculate and return the sine value
   - Links to : Math_LLR_2 
-Cosine - This feature shall take an input value and calculate and return the cosine value
+
+Math_HLR_2 - Cosine - This feature shall take an input value and calculate and return the cosine value
   - Links to : Math_LLR_3 
-Floor - This feature shall take an in a floating point value, remove the decimal and return an integer value
+  
+Math_HLR_3 - Floor - This feature shall take an in a floating point value, remove the decimal and return an integer value
   - Links to : Math_LLR_1