add note that prelude assumes reader understanding core concepts

1 files changed, 4 insertions, 3 deletions

diff --git a/sq-guide.md b/sq-guide.md
index 9323c4b..7b897d7 100644
--- a/sq-guide.md
+++ b/sq-guide.md
@@ -22,9 +22,10 @@ issue or a merge request.
 
 # Prelude: quick start {.unnumbered}
 
-If you're in a hurry to get started, this chapter is for you. This
-chapter distils the main content of this guide into examples showing
-a small number of common use cases. No explanations.
+If you already understand the core cryptographic concepts in OpenPGP,
+and you're in a hurry to get started, this chapter is for you. This
+chapter distils the main content of this guide into examples showing a
+small number of common use cases. No explanations.
 
 ```{.sh .numberLines}
 $ sq key generate --userid="My Name" --userid="<me@example.com>" --export=key.pgp