diff --git a/base-rates.qmd b/base-rates.qmd
index 0ead29274..d2d6fbb8c 100644
--- a/base-rates.qmd
+++ b/base-rates.qmd
@@ -501,7 +501,7 @@ pAgivenB(
 
 ### Example 3: Was it a Terrorist Attack? {#sec-nateSilverExample3}
 
-#### Example 3A: The First Plane Hit the WTC {#sec-nateSilverExample3A}
+#### Example 3A: The First Plane Hit the World Trade Center {#sec-nateSilverExample3A}
 
 Example 3A: Consider the information we had on 9/11 when the first plane hit the World Trade Center.
 What is the probability that a terror attack occurred given that the first plane hit the World Trade Center?
@@ -517,7 +517,7 @@ pAgivenB(
   pBgivenNotA = .00008)
 ```
 
-#### Example 3B: The Second Plane Hit the WTC {#sec-nateSilverExample3B}
+#### Example 3B: The Second Plane Hit the World Trade Center {#sec-nateSilverExample3B}
 
 Example 3B: Now, consider that a second plane just hit the World Trade Center.
 What is the probability that a terror attack occurred given that a second plane hit the World Trade Center?