Fix wording: "actually affirmed" not "actually said"

TXproducts stated the pain point in 08/09's post; the audience didn't
originate it, they confirmed it was real by engaging in discussion.
"Said" implied the audience brought it up themselves.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

monthly_report_notes.py

@@ -509,9 +509,10 @@ NOTES = {
                 "sign-ups, since Real Eng % only measures attention. This can "
                 "also be tracked through Twenty CRM.",
                 "Source content from real conversations, like 08/09's, instead "
-                "of assumed pain points — October doesn't need a new "
-                "audience-discovery push, the audience hasn't moved; it needs "
-                "content built for what that audience has actually said.",
+                "of assumed pain points. October doesn't need a new "
+                "audience-discovery push, since the audience hasn't moved. It "
+                "needs content built for what that audience has actually "
+                "affirmed.",
             ],
         },
     },