docs(pyenv): fix typo (#12283)

plugins/pyenv/README.md

@@ -10,7 +10,7 @@ To use it, add `pyenv` to the plugins array in your zshrc file:
 plugins=(... pyenv)
 ```
 
-If you receive a `Found pyenv, but it is badly configured.` error on startup, you may need to ensure that `pyenv` is initialized before the oh-my-zsh pyenv plugin is loaded. This can be achived by adding the following earlier in the `.zshrc` file than the `plugins=(...)` line:
+If you receive a `Found pyenv, but it is badly configured.` error on startup, you may need to ensure that `pyenv` is initialized before the oh-my-zsh pyenv plugin is loaded. This can be achieved by adding the following earlier in the `.zshrc` file than the `plugins=(...)` line:
 
 ```zsh
 export PYENV_ROOT="$HOME/.pyenv"