diff --git a/notes/tango.md b/notes/tango.md
index 9d72e448ea8cfe979e31dbc001e0ea409ba3fb85..197d12bfd6e088c25b0bbeb5b3c588d2dea10b31 100644
--- a/notes/tango.md
+++ b/notes/tango.md
@@ -31,9 +31,10 @@ Need **"application metadata"**, with *persistence* and *high availability*.
 ![tango](tangoTrans.png)
 - optimistic concurrency control
   - writes entered in log as speculative
-  - commit record contains a read set w/ versions.
-  - transaction *succeeds* if read objects current at commit record.
-  - each reader deterministically evaluates commit record
+    - only become visible at commit point
+    - commit record contains a read set w/ versions.
+    - transaction *succeeds* if read objects current at commit record.
+    - each reader deterministically evaluates commit record
   - **read transactions**:
     - nothing inserted in log
     - locally track time (offset) of first read (start of transaction), and last read (end of transaction)
diff --git a/p5.md b/p5.md
index 1ff4db1fdb78c5594f3e7e7f14b4d4f855fa0510..b208eadb0d4950b371cd954cd85d67ad628907cd 100644
--- a/p5.md
+++ b/p5.md
@@ -1,6 +1,6 @@
 # RAFT
 **v1.11**
-## Due: Nov 19, 2023, 11:59:59 pm
+## Due: Nov 26, 2023, 11:59:59 pm
 
 Latest changes:
 - Follower replica getting a command request should forward to the