diff --git a/proctl/proctl_linux_amd64.go b/proctl/proctl_linux_amd64.go
index 0d915734ff9f907bcd41896c15024dc87f2aacf2..a87627e4b780502da1b97bfc6294edc1f5425611 100644
--- a/proctl/proctl_linux_amd64.go
+++ b/proctl/proctl_linux_amd64.go
@@ -276,6 +276,8 @@ func (dbp *DebuggedProcess) Next() error {
 	}
 
 	if _, ok := dbp.BreakPoints[pc-1]; ok {
+		// Decrement the PC to be before
+		// the breakpoint instruction.
 		pc--
 	}