diff --git a/algo4dfm/lec05.files/tcgraph8_bob.svg b/algo4dfm/lec05.files/tcgraph8_bob.svg
index 42fb4f10..3f57b866 100644
--- a/algo4dfm/lec05.files/tcgraph8_bob.svg
+++ b/algo4dfm/lec05.files/tcgraph8_bob.svg
@@ -105,10 +105,9 @@
   <text x="98" y="188" >2</text>
   <text x="210" y="188" >3</text>
   <polygon points="96,196 104,200 96,204" class="filled"></polygon>
-  <text x="146" y="204" >T</text>
+  <text x="154" y="204" >0</text>
   <polygon points="208,196 216,200 208,204" class="filled"></polygon>
   <polygon points="88,212 80,216 88,220" class="filled"></polygon>
-  <text x="154" y="220" >2</text>
   <polygon points="224,212 216,216 224,220" class="filled"></polygon>
   <text x="74" y="236" >2.5</text>
   <text x="210" y="236" >1.5</text>
diff --git a/algo4dfm/lec05b-remark.html b/algo4dfm/lec05b-remark.html
index 7a34cc1b..427f7ad9 100644
--- a/algo4dfm/lec05b-remark.html
+++ b/algo4dfm/lec05b-remark.html
@@ -111,6 +111,8 @@
     -   $t^* = \sum_{(i,j) \in C} \mu_{ij} / \sum_{(i,j) \in C} \sigma_{ij}$,
     -   $C$: critical cycle
 
+-   Assume Gaussian distribution (Bell Shape 🔔)
+
 ---
 
 General Formulation
@@ -128,7 +130,6 @@
 | EVEN    | $t$    | $T_\text{CP} - D_{ij} - T_\text{setup} - t$         | $-T_\text{hold} + d_{ij} - t$             |
 | C-PROP  | $t$    | $T_\text{CP}-D_{ij}-T_\text{setup} - \sigma_{ij} t$ | $-T_\text{hold} + d_{ij} - \sigma_{ij} t$ |
 
-
 ---
 
 General Formulation (cont'd)
@@ -147,15 +148,14 @@
 
 ---
 
-Non-Gaussian Distribution
+Non-Gaussian Distribution 
 -------------------------
 
 .column-2.column-norule[
 
--   65nm and below, the path delay is likely to have a non-Gaussian distribution:
+-   65nm and below, the path delay is likely to have a non-Gaussian distribution 🔕:
 
-    👉 Note: central limit theorem does not apply because
-       - random variables are correlated (why?)
+    👉 Note: central limit theorem does not apply here.
 
 ![image](figs/non-gaussian.png)
 
@@ -171,6 +171,7 @@
     -   is not exactly timing yield but reasonable.
 
 -   It is equivalent to:
+
 $$\begin{array}{ll}
   \text{maximum} & t \\
   \text{subject to} & T_i - T_j \le T_\text{CP} - F^{-1}_{ji}(t) \\