diff --git a/README.Rmd b/README.Rmd
index d72a39d..7a3d5e5 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -22,6 +22,7 @@ knitr::opts_chunk$set(
 
 <!-- badges: start -->
 [![CRAN status](https://www.r-pkg.org/badges/version/galamm)](https://cran.r-project.org/package=galamm)
+[![Status at rOpenSci Software Peer Review](https://badges.ropensci.org/615_status.svg)](https://github.com/ropensci/software-review/issues/615)
 [![Project Status: Active – The project has reached a stable, usable state and is being actively developed.](https://www.repostatus.org/badges/latest/active.svg)](https://www.repostatus.org/#active)
 [![R-CMD-check](https://github.com/LCBC-UiO/galamm/actions/workflows/R-CMD-check.yaml/badge.svg)](https://github.com/LCBC-UiO/galamm/actions/workflows/R-CMD-check.yaml)
 [![Codecov test coverage](https://codecov.io/gh/LCBC-UiO/galamm/branch/main/graph/badge.svg)](https://app.codecov.io/gh/LCBC-UiO/galamm?branch=main)
diff --git a/README.md b/README.md
index 89f91d1..30fc136 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,8 @@
 
 [![CRAN
 status](https://www.r-pkg.org/badges/version/galamm)](https://cran.r-project.org/package=galamm)
+[![Status at rOpenSci Software Peer
+Review](https://badges.ropensci.org/615_status.svg)](https://github.com/ropensci/software-review/issues/615)
 [![Project Status: Active – The project has reached a stable, usable
 state and is being actively
 developed.](https://www.repostatus.org/badges/latest/active.svg)](https://www.repostatus.org/#active)
diff --git a/vignettes-raw/latent_observed_interaction.Rmd b/vignettes-raw/latent_observed_interaction.Rmd
index 79c88e6..77d5bb2 100644
--- a/vignettes-raw/latent_observed_interaction.Rmd
+++ b/vignettes-raw/latent_observed_interaction.Rmd
@@ -74,7 +74,7 @@ The structural model is simply $\eta = \zeta \sim N(0, \psi)$, where $\psi$ is i
 
 ### Model Without Interaction
 
-It can be instructive to start by considering a model in which we fix $\\lambda_{4} = 0$. This type of model would be estimated with the following code:
+It can be instructive to start by considering a model in which we fix $\lambda_{4} = 0$. This type of model would be estimated with the following code:
 
 ```{r}
 lambda <- matrix(c(1, NA, NA), ncol = 1)
diff --git a/vignettes/latent_observed_interaction.Rmd b/vignettes/latent_observed_interaction.Rmd
index e2f0e8c..ccf6737 100644
--- a/vignettes/latent_observed_interaction.Rmd
+++ b/vignettes/latent_observed_interaction.Rmd
@@ -76,7 +76,7 @@ The structural model is simply $\eta = \zeta \sim N(0, \psi)$, where $\psi$ is i
 
 ### Model Without Interaction
 
-It can be instructive to start by considering a model in which we fix $\\lambda_{4} = 0$. This type of model would be estimated with the following code:
+It can be instructive to start by considering a model in which we fix $\lambda_{4} = 0$. This type of model would be estimated with the following code:
 
 
 ``` r