diff --git a/packages/opencode/src/tool/bash.txt b/packages/opencode/src/tool/bash.txt
index 04e935fe74..a131ed7e63 100644
--- a/packages/opencode/src/tool/bash.txt
+++ b/packages/opencode/src/tool/bash.txt
@@ -4,7 +4,7 @@ Be aware: OS: ${os}, Shell: ${shell}
 
 All commands run in the current working directory by default. Use the `workdir` parameter if you need to run a command in a different directory. AVOID using `cd <directory> && <command>` patterns - use `workdir` instead.
 
-Use `${tmp}` for temporary work outside the workspace. This directory is pre-approved for external directory access.
+Use `${tmp}` for temporary work outside the workspace. This directory has already been created, already exists, and is pre-approved for external directory access.
 
 IMPORTANT: This tool is for terminal operations like git, npm, docker, etc. DO NOT use it for file operations (reading, writing, editing, searching, finding files) - use the specialized tools for this instead.