diff --git a/README.md b/README.md
index c60750e..066c32b 100644
--- a/README.md
+++ b/README.md
@@ -35,11 +35,11 @@ To run the Rasta experiment, some tools are required:
 One way to install those tools is to use Nixpkgs (`nix-shell -p docker singularity python310 python310Packages.numpy python310Packages.matplotlib sqlite`), another way is to follow the instructions of the different tools (<https://docs.sylabs.io/guides/3.11/user-guide/>, <https://docs.docker.com/>).
 
 > [!WARNING]
-> (One years later, 2025):
+> (One year later, 2025):
 > 
-> Since Ubuntu 23.10, apparmor prevent the creation of unprivileged namespace by default. This means singularity wont work without a specific apparmor profile (wich is not installed by nix-shell).
+> Since Ubuntu 23.10, apparmor prevents the creation of unprivileged namespace by default. This means singularity won't work without a specific apparmor profile (which is not installed by nix-shell).
 >
-> Fortunately, Ubuntu now has a package for singularity: `singularity-container`. Using your distribution package should be the prefered method for installing the tools.
+> Fortunately, Ubuntu now has a package for singularity: `singularity-container`. Using your distribution package should be the preferred method for installing the tools.
 
 
 They are also some python dependencies that need to be installed in a virtual env: