[nongnu] elpa/projectile 5ad69d5421: [Fix #1795] Mention minibuffer completion frameworks in the README

[ELPA Syncer]

branch: elpa/projectile
commit 5ad69d5421d65f317be26d702c6444848951ca2a
Author: Bozhidar Batsov <bozhidar@batsov.dev>
Commit: Bozhidar Batsov <bozhidar@batsov.dev>

    [Fix #1795] Mention minibuffer completion frameworks in the README
---
 README.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/README.md b/README.md
index b05910456b..f706650655 100644
--- a/README.md
+++ b/README.md
@@ -106,6 +106,10 @@ Enable `projectile-mode`, open a file in one of your 
projects and type a command
 
 See the [online documentation](https://docs.projectile.mx) for more details.
 
+To get the most of Projectile you also need to enable (and potentially 
install) some minibuffer completion framework (e.g. `ido`, `ivy` or 
`selectrum`). See [this 
section](https://docs.projectile.mx/projectile/configuration.html#completion-options)
 of the documentation for more details.
+
+**Note:** Historically `projectile-completion-system` defaulted to `ido`, but 
this was changed in version 2.3. You may need to enable `ido-mode` in your 
Emacs configuration if updating from an older version of Projectile.
+
 ## Caveats
 
 * Some operations like search (grep) depend (presently) on external