Update introduction.md

docs.it4i/cs/introduction.md

@@ -5,7 +5,7 @@ that need to port and optimize their codes and application
 for various hardware architectures and software technologies
 that are not available on standard clusters.
 
-First stage of complementary systems implementation comprises of these architectures:
+First stage of complementary systems implementation comprises of these partitions:
 
 - compute partition 0 – based on ARM technology - legacy
 - compute partition 1 – based on ARM technology - A64FX
@@ -18,16 +18,10 @@ First stage of complementary systems implementation comprises of these architect
 
 ## Accessing Complementary Systems
 
-Where/how can we access the partitions?
+Complementary systems can be accessed from `login.cs.it4i.cz`.
 
 ## Data Storage
 
-Scratch/home?
-
-Complementary systems are connected to the [PROJECT storage][1].
-
-## Resource Allocation & Accounting Policy
-
-TODO
+Complementary systems have `home` and local `lscratch` disks and are connected to the [PROJECT storage][1].
 
 [1]: ../storage/project-storage.md