diff --git a/vignettes/samplers.Rmd b/vignettes/samplers.Rmd
index c136eed5..632433f0 100644
--- a/vignettes/samplers.Rmd
+++ b/vignettes/samplers.Rmd
@@ -84,7 +84,7 @@ plot(t(drop(res_rw$pars)), type = "l", col = "#0000ff66",
 lines(z95[, 1], z95[, 2])
 ```
 
-As we can see this is not great, exhibiting strong random walk behaviour as it slowly explore the surface (this is over 1,000 steps).  Another way to view this is the parameters varying over steps:
+As we can see this is not great, exhibiting strong random walk behaviour as it slowly explores the surface (this is over 1,000 steps).  Another way to view this is the parameters varying over steps:
 
 ```
 matplot(t(drop(res_rw$pars)), lty = 1, type = "l", col = c(2, 4),