Update gorule-0000002.md

Clarified gorule-0000002

metadata/rules/gorule-0000002.md

@@ -21,14 +21,13 @@ examples:
       format: gaf
       input: "PomBase	SPAC23H4.18c	rbx1		GO:0005515	PMID:12167173	IPI	PomBase:SPBC1718.01	F	SCF complex, Cul4-RING and CLRC ubiquitin ligase ligase E3 subunit Rbx1	pip1	protein	NCBITaxon:4896	20041130	PomBase"
 ---
+No direct annotations to protein binding ; GO:0005515 can contain the qualifier 'NOT' in GAF 2.2 Column 4 or GPAD 2.0 Column 2.
+
 Even if an identifier is available in the 'with' column, a qualifier
 only informs on the GO term, it cannot instruct users to restrict the
 annotation to just the protein identified in the 'with', therefore an
 annotation applying protein binding ; GO:0005515 with the not qualifier
-implies that the annotated protein cannot bind anything.
-
-This is such a wide-reaching statement that few curators would want to
-make.
+implies that the annotated protein cannot bind anything, which is unlikely to be correct.
 
 This rule *only* applies to GO:0005515; children of this term can be
 qualified with not, as further information on the type of binding is