diff --git a/manual/Directories-and-Files.html b/manual/Directories-and-Files.html
index 6ccceee..42d3028 100644
--- a/manual/Directories-and-Files.html
+++ b/manual/Directories-and-Files.html
@@ -84,6 +84,10 @@ database is saved here.
 </p>
 <p>It is the user’s responsibility to set this correctly, especially when used
 with multiple Org-roam instances.
+</p>
+</li><li> Variable: org-roam-file-exclude-regexp
+
+<p>Files matching this regular expression are excluded from the Org-roam.
 </p></li></ul>
 
 
diff --git a/org-roam.org b/org-roam.org
index 0df331f..faaec2c 100644
--- a/org-roam.org
+++ b/org-roam.org
@@ -513,6 +513,10 @@ This section concerns the placement and creation of files.
   It is the user’s responsibility to set this correctly, especially when used
   with multiple Org-roam instances.
 
+- Variable: org-roam-file-exclude-regexp
+
+  Files matching this regular expression are excluded from the Org-roam.
+
 ** The Org-roam Buffer
 
 The Org-roam buffer displays backlinks for the currently active Org-roam note.
diff --git a/org-roam.texi b/org-roam.texi
index 8f57d5d..22e9d99 100644
--- a/org-roam.texi
+++ b/org-roam.texi
@@ -731,6 +731,11 @@ database is saved here.
 
 It is the user’s responsibility to set this correctly, especially when used
 with multiple Org-roam instances.
+
+@item
+Variable: org-roam-file-exclude-regexp
+
+Files matching this regular expression are excluded from the Org-roam.
 @end itemize
 
 @node The Org-roam Buffer