diff --git a/roles/calibre-web/README.rst b/roles/calibre-web/README.rst
index 1f31874ef..2531d146b 100644
--- a/roles/calibre-web/README.rst
+++ b/roles/calibre-web/README.rst
@@ -19,9 +19,11 @@ adjust e-book metadata, and create custom e-book collections ("bookshelves"):
 https://github.com/janeczku/calibre-web#about
 
 This Ansible role installs Calibre-Web as part of your Internet-in-a-Box (IIAB)
-as a possible alternative to Calibre.  *WARNING: Calibre-Web depends on
-Calibre's own /usr/bin/ebook-convert program, so we strongly recommend you
-install Calibre too during your IIAB installation!*
+as a possible alternative to Calibre.
+
+*WARNING: Calibre-Web depends on Calibre's own /usr/bin/ebook-convert program,
+so we strongly recommend you also install Calibre during your IIAB
+installation!*
 
 Please note Calibre-Web's Ansible playbook is ``/opt/iiab/iiab/roles/calibre-web``
 whereas its Ansible variables ``calibreweb_*`` do **not** include the dash,
diff --git a/vars/default_vars.yml b/vars/default_vars.yml
index ba13fdb15..23a00db1c 100644
--- a/vars/default_vars.yml
+++ b/vars/default_vars.yml
@@ -411,6 +411,9 @@ calibre_port: 8080
 # Change calibre to XYZ add your own mnemonic URL like: http://box/XYZ
 calibre_web_path: calibre  #NEEDS WORK: https://github.com/iiab/iiab/issues/529
 
+# WARNING: Calibre-Web (below) depends on Calibre's own /usr/bin/ebook-convert
+# program, so we recommend you also install Calibre (above!)
+
 # Calibre-Web alternative to Calibre, offers a clean/modern UX
 calibreweb_install: True
 calibreweb_enabled: True
diff --git a/vars/local_vars_big.yml b/vars/local_vars_big.yml
index be4b30e08..a5465d733 100644
--- a/vars/local_vars_big.yml
+++ b/vars/local_vars_big.yml
@@ -242,6 +242,9 @@ calibre_port: 8080
 calibre_web_path: calibre  #NEEDS WORK: https://github.com/iiab/iiab/issues/529
 # In addition to: http://box/books box/libros box/livres box/livros box/liv
 
+# WARNING: Calibre-Web (below) depends on Calibre's own /usr/bin/ebook-convert
+# program, so we recommend you also install Calibre (above!)
+
 # Calibre-Web alternative to Calibre, offers a clean/modern UX
 calibreweb_install: True
 calibreweb_enabled: True
diff --git a/vars/local_vars_medium.yml b/vars/local_vars_medium.yml
index 9d220a81e..ff035e97f 100644
--- a/vars/local_vars_medium.yml
+++ b/vars/local_vars_medium.yml
@@ -242,6 +242,9 @@ calibre_port: 8080
 calibre_web_path: calibre  #NEEDS WORK: https://github.com/iiab/iiab/issues/529
 # In addition to: http://box/books box/libros box/livres box/livros box/liv
 
+# WARNING: Calibre-Web (below) depends on Calibre's own /usr/bin/ebook-convert
+# program, so we recommend you also install Calibre (above!)
+
 # Calibre-Web alternative to Calibre, offers a clean/modern UX
 calibreweb_install: True
 calibreweb_enabled: True
diff --git a/vars/local_vars_min.yml b/vars/local_vars_min.yml
index b94d5e0eb..1c6a0294a 100644
--- a/vars/local_vars_min.yml
+++ b/vars/local_vars_min.yml
@@ -242,6 +242,9 @@ calibre_port: 8080
 calibre_web_path: calibre  #NEEDS WORK: https://github.com/iiab/iiab/issues/529
 # In addition to: http://box/books box/libros box/livres box/livros box/liv
 
+# WARNING: Calibre-Web (below) depends on Calibre's own /usr/bin/ebook-convert
+# program, so we recommend you also install Calibre (above!)
+
 # Calibre-Web alternative to Calibre, offers a clean/modern UX
 calibreweb_install: False
 calibreweb_enabled: False