diff --git a/doc/neotest-busted.txt b/doc/neotest-busted.txt
index 87ae2da..7974373 100644
--- a/doc/neotest-busted.txt
+++ b/doc/neotest-busted.txt
@@ -41,6 +41,10 @@ Setup with neotest. Leave values as `nil` to leave them unspecified.
                 -- Custom config to load via -u to set up testing.
                 -- If nil, will look for a 'minimal_init.lua' file
                 minimal_init = "custom_init.lua",
+                -- Only use a luarocks installation in the project's directory. If
+                -- true, installations in $HOME and global installations will be
+                -- ignored. Useful for isolating the test environment
+                local_luarocks_only = true,
             }),
         },
     })
@@ -100,6 +104,13 @@ precedence over a global install). You can check the installation by running
 `luarocks list busted`.
 
 
+  [!WARNING] If you have set `busted_command` to a non-nil value in the `setup`
+  function, `neotest-busted` will not know where to look for appropriate lua
+  paths and will not look for installations as specified below to avoid setting
+  up paths for a different busted installation.
+  In this case, you should set `busted_paths` and `busted_cpaths` to appropriate
+  paths.
+
 DIRECTORY-LOCAL INSTALL ~
 
 You can install busted in your project’s directory by running the following
@@ -115,6 +126,9 @@ commands.
 
 USER HOME DIRECTORY INSTALL ~
 
+
+  [!IMPORTANT] You need to set `local_luarocks_only` to `false` for
+  `neotest-busted` to find your home directory installation.
 The following command will install busted in your home directory.
 
 >shell
@@ -124,6 +138,9 @@ The following command will install busted in your home directory.
 
 GLOBAL INSTALL ~
 
+
+  [!IMPORTANT] You need to set `local_luarocks_only` to `false` for
+  `neotest-busted` to find your global installation.
 >shell
     > luarocks install busted
 <
@@ -141,22 +158,7 @@ run, the command will automatically try to find your tests in a `spec/`,
 `test/`, or `tests/` directory.
 
 >shell
-    $ nvim -l ./scripts/test-runner.lua tests/my_spec.lua
-<
-
-
-TEST VIA ROCKSPEC
-
-If you use a rockspec, you can provide a test command so you can run tests
-using `luarocks test`.
-
->lua
-    -- Your rockspec...
-    
-    test = {
-        type = "command",
-        command = "nvim -u NONE -l ./scripts/test-runner.lua",
-    }
+    $ nvim -l <path-to-neotest-busted>/scripts/test-runner.lua tests/my_spec.lua
 <
 
 
@@ -186,6 +188,13 @@ Busted removed support for async testing in version 2
 busted v1 but I haven’t tested that.
 
 
+Q: WHY IS NEOTEST-BUSTED TESTED USING PLENARY?
+
+The test could be run via `neotest-busted` itself but I decided to use plenary
+instead to use another test runner so that bugs in `neotest-busted` won’t
+affect its own tests.
+
+
 INSPIRATION                                       *neotest-busted-inspiration*
 
 - Using Neovim as Lua interpreter with Luarocks <https://zignar.net/2023/01/21/using-luarocks-as-lua-interpreter-with-luarocks/>