diff --git a/codeframe/cli/proof_commands.py b/codeframe/cli/proof_commands.py
index d0c1290a..6c68bf57 100644
--- a/codeframe/cli/proof_commands.py
+++ b/codeframe/cli/proof_commands.py
@@ -1,4 +1,4 @@
-"""CLI commands for PROOF9 quality memory system.
+"""CLI commands for the PROOF9 regression memory system.
 
 Provides `cf proof` subcommands for capturing requirements,
 running their checks, managing waivers, and viewing status.
@@ -31,7 +31,7 @@
 
 proof_app = typer.Typer(
     name="proof",
-    help="PROOF9 quality memory system — evidence-based verification",
+    help="PROOF9 regression memory — evidence-based verification",
     no_args_is_help=True,
 )
 
diff --git a/codeframe/core/proof/__init__.py b/codeframe/core/proof/__init__.py
index 9e6226a2..1240a1c3 100644
--- a/codeframe/core/proof/__init__.py
+++ b/codeframe/core/proof/__init__.py
@@ -1,4 +1,4 @@
-"""PROOF9: Quality memory system with evidence-based verification.
+"""PROOF9: regression memory with evidence-based verification.
 
 Turns every failure into a permanent proof obligation. Requirements are
 tracked in a ledger, obligations are enforced on every run, and evidence
diff --git a/tests/core/test_proof9.py b/tests/core/test_proof9.py
index 60454cf8..8a6f5532 100644
--- a/tests/core/test_proof9.py
+++ b/tests/core/test_proof9.py
@@ -1,4 +1,4 @@
-"""Tests for PROOF9 quality memory system.
+"""Tests for the PROOF9 regression memory system.
 
 Covers models, ledger CRUD, obligation mapping, scope intersection,
 evidence attachment, capture flow, runner, waivers, and CLI commands.