diff --git a/.forgejo/workflows/book.yml b/.forgejo/workflows/book.yml
index e4f73fe..730503e 100644
--- a/.forgejo/workflows/book.yml
+++ b/.forgejo/workflows/book.yml
@@ -2,8 +2,6 @@ name: Build and deploy the book
 
 on:
   push:
-    branches:
-      - main
   pull_request:
   workflow_dispatch:
 
@@ -25,7 +23,7 @@ jobs:
           test -f _book/index.html
 
       - name: Deploy successful main build
-        if: ${{ github.event_name == 'push' || github.event_name == 'workflow_dispatch' }}
+        if: ${{ (github.event_name == 'push' || github.event_name == 'workflow_dispatch') && github.ref == 'refs/heads/main' }}
         env:
           DEPLOY_KEY: ${{ secrets.EACOMPANION_DEPLOY_KEY }}
         run: |
diff --git a/Chapter_6.Rmd b/Chapter_6.Rmd
index be9fdcb..6c09af4 100644
--- a/Chapter_6.Rmd
+++ b/Chapter_6.Rmd
@@ -30,7 +30,7 @@ rownames(dt) <-
 "Kyakki W",
 "Shoptlu",
 "Hawwik B",
-"Te\\'alla",
+"Te\'alla",
 "Site X",
 "Tetlnat"
 )
@@ -51,7 +51,7 @@ for (s in seq_len(series_col)) {
     ylim = c(0.5, n_phase + 0.5),
     axes = FALSE,
     xlab = "Width = relative frequency (%)",
-    ylab = ifelse(s == 1, "Phase", ""),
+    ylab = "",
     main = colnames(dt)[s]
   )
 
@@ -71,15 +71,15 @@ for (s in seq_len(series_col)) {
   }
 
   if(s==1) 
-      text(-(max(dt_pct[,s]/2)),seq((0.55+1.45)/2, (0.55+1.45)/2*n_phase ,length.out=n_phase),phase_labels,pos=2,font=2,,cex=2)
+      text(-(max(dt_pct[,s]/2)),seq((0.55+1.45)/2, (0.55+1.45)/2*n_phase ,length.out=n_phase),phase_labels,pos=2,font=2,cex=1.2)
 }
 ```
 
 A more common wa to represent tht would be to plot the freuecny through time, using 
 
 ```{r}
-  matplot(cbind(1:nrow(dt) ,1:nrow(dt) ,1:nrow(dt)) ,dt,type="l",lwd=3,col=ship_cols,lty=1)
+  matplot(cbind(1:nrow(dt) ,1:nrow(dt) ,1:nrow(dt)) ,dt,type="l",lwd=3,col=ship_cols,lty=1,ylab="frequency",xlab="time")
 ```
 
-This should remind you of the plot about chnges in allele frquency seen in Chapter 3, we will see later how we cna use these describption of the dt to test hypothese about the cultural transmission process
+This should remind you of the plot about changes in allele frequency seen in Chapter 3, we will see later how we can use these describption of the data to test hypothese about the cultural transmission process.