diff --git a/Troubleshooting.md b/Troubleshooting.md
index 772c228..7eb1955 100644
--- a/Troubleshooting.md
+++ b/Troubleshooting.md
@@ -17,3 +17,15 @@ excluded_search_path_prefixes = ['/mnt/']
 ```
 
 to avoid slowness. For more info, see [this comment](https://github.com/nvbn/thefuck/issues/1036#issuecomment-773641630).
+
+# Usage on Android (or other systems that forbid access to `/proc`
+
+The Fuck tries to guess the shell by inspecting its parent processes. That information lives in `/proc` and if your user can't access `/proc` you must specify the shell:
+
+```bash
+eval $(TF_SHELL=bash thefuck --alias)
+```
+or
+```fish
+TF_SHELL=fish thefuck --alias | source
+```