diff --git a/lab_dge.Rmd b/lab_dge.Rmd
index b17df6b4..076e7d58 100644
--- a/lab_dge.Rmd
+++ b/lab_dge.Rmd
@@ -245,7 +245,7 @@ Overdispersion is the reason why RNA-Seq data is better modelled as negative-bin
 The log fold change is computed from the corrected count values as such:
 
 ```
-FC = (corrected counts group B - corrected counts group A) / corrected counts group A
+FC = corrected counts group B / corrected counts group A
 logFC = log2(FC)
 ```
 
diff --git a/slide_dge.Rmd b/slide_dge.Rmd
index 3e5be1e1..05bf441c 100644
--- a/slide_dge.Rmd
+++ b/slide_dge.Rmd
@@ -127,7 +127,7 @@ name: dge-test
 
 ## Testing
 
-- Log2 fold changes changes are computed after GLM fitting
+- Log2 fold changes changes are computed after GLM fitting `FC = counts group B / counts group A`
 
 ```{r}
 dg <- nbinomWaldTest(d)