[nongnu] elpa/helm 796b84970d: Update help string

[ELPA Syncer]

branch: elpa/helm
commit 796b84970d2bfcd1d341cada5398bb9368b82da4
Author: Thierry Volpiatto <thievol@posteo.net>
Commit: Thierry Volpiatto <thievol@posteo.net>

    Update help string
---
 helm-core.el | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/helm-core.el b/helm-core.el
index b33562a0a9..7e355d8140 100644
--- a/helm-core.el
+++ b/helm-core.el
@@ -1637,8 +1637,10 @@ slow frame popup in Emacs-26, to workaround this 
slowness in Emacs-26 use instea
 #+end_src
 
 WARNING:
-There is a package called posframe and also one called helm-posframe,
+There is a package called Posframe and also one called Helm-posframe,
 you DO NOT need these packages to display helm buffers in frames.
+Thus Posframe package use child frames which have no minibuffers
+and are by the way not compatible with Helm.
 
 ** Helm's basic operations and default key bindings