6468 docs and harmonize

docs/20_Checks/check_memory.md

@@ -16,6 +16,10 @@ It reads /proc/meminfo and fetches the needed values.
 * Slab: in-kernel data structures cache
 * SReclaimable: reclaimable parts of Slab, e.g., caches
 
+### Requirements
+
+* bc
+
 ## Syntax
 
 ```txt
@@ -58,10 +62,6 @@ check_memory -w 90 -c 95 -p 70
 
 ```
 
-### Requirements
-
-* bc
-
 ## Examples
 
 `$ check_memory -w 90 -c 95 -p 70` returns