diff --git a/ch4/10.Rmd b/ch4/10.Rmd
index 55df951..ad224b8 100644
--- a/ch4/10.Rmd
+++ b/ch4/10.Rmd
@@ -34,7 +34,7 @@ table(glm.pred, Direction)
 ```
 Percentage of currect predictions: (54+557)/(54+557+48+430) = 56.1%. Weeks the 
 market goes up the logistic regression is right most of the time, 557/(557+48)
-= 92.1%. Weeks the market goes up the logistic regression is wrong most of the
+= 92.1%. Weeks the market goes down the logistic regression is wrong most of the
 time 54/(430+54) = 11.2%.
 
 ### d
diff --git a/ch4/10.html b/ch4/10.html
index 8e11f8d..dfc4c64 100644
--- a/ch4/10.html
+++ b/ch4/10.html
@@ -296,7 +296,7 @@ <h3>c</h3>
 
 <p>Percentage of currect predictions: (54+557)/(54+557+48+430) = 56.1%. Weeks the 
 market goes up the logistic regression is right most of the time, 557/(557+48)
-= 92.1%. Weeks the market goes up the logistic regression is wrong most of the
+= 92.1%. Weeks the market goes down the logistic regression is wrong most of the
 time 54/(430+54) = 11.2%.</p>
 
 <h3>d</h3>
diff --git a/ch4/10.md b/ch4/10.md
index ced283a..fe4a3d4 100644
--- a/ch4/10.md
+++ b/ch4/10.md
@@ -130,7 +130,7 @@ table(glm.pred, Direction)
 
 Percentage of currect predictions: (54+557)/(54+557+48+430) = 56.1%. Weeks the 
 market goes up the logistic regression is right most of the time, 557/(557+48)
-= 92.1%. Weeks the market goes up the logistic regression is wrong most of the
+= 92.1%. Weeks the market goes down the logistic regression is wrong most of the
 time 54/(430+54) = 11.2%.
 
 ### d