docs: fix info description and add per-user ~/bin installHEADmaster

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/README.md b/README.md
index 8e79d72..efcdcf5 100644
--- a/README.md
+++ b/README.md
@@ -9,18 +9,26 @@ package contains a given file. Reads the package database in
 ```
 is_installed <item>               # search package names for <item>
 is_installed file-search <item>   # search file contents of every package for <item>
-is_installed info <item>          # less the matching package manifest
+is_installed info <item>          # less the manifest of the single match (lists candidates if many)
 is_installed help                 # show help
 ```
 
 ## Install
 
+System-wide:
+
 ```
 install -m 0755 is_installed /usr/local/bin/is_installed
 install -m 0644 is_installed.bash-completion \
     /usr/share/bash-completion/completions/is_installed
 ```
 
+Per-user (no root, needs `~/bin` on your PATH):
+
+```
+install -Dm0755 is_installed ~/bin/is_installed
+```
+
 ## License
 
 GPLv2. See [LICENSE](LICENSE).