diff --git a/docs/installation/manual.md b/docs/installation/manual.md
index 9a17f015..3be56577 100644
--- a/docs/installation/manual.md
+++ b/docs/installation/manual.md
@@ -4,7 +4,7 @@ one way to install `nu-git-manager` right now is the following manual process
 > let's say you have defined the following environment variable
 > ```nu
 > # in `$nu.env-path`
-> let-env NU_LIB_PATH = "/path/to/libs"
+> $env.NU_LIB_PATH = "/path/to/libs"
 > ```
 
 - clone the repo to a location you want it to be
@@ -14,7 +14,7 @@ git clone https://github.com/amtoine/nu-git-manager.git ($env.NU_LIB_PATH | path
 - make it loadable in your `NU_LIB_DIRS`
 ```nu
 # in `$nu.env-path`
-let-env NU_LIB_DIRS = ($env.NU_LIB_DIRS | append $env.NU_LIB_PATH)
+$env.NU_LIB_DIRS = ($env.NU_LIB_DIRS | append $env.NU_LIB_PATH)
 ```
 - update it regularly to have the latest version
 ```nu