diff --git a/wiki/calibre.md b/wiki/calibre.md
index c0e5d4c..2c4314a 100644
--- a/wiki/calibre.md
+++ b/wiki/calibre.md
@@ -1,7 +1,7 @@
 # calibre
 
 [calibre](https://calibre-ebook.com/) is a cross-platform, free and open-source
-software suite for [e-book](/wiki/e-books.md) management.
+software suite for [e-book](/wiki/e-book.md) management.
 It supports various formats aswell as conversion between them.
 
 ## Usage
diff --git a/wiki/e-books.md b/wiki/e-book.md
similarity index 100%
rename from wiki/e-books.md
rename to wiki/e-book.md
diff --git a/wiki/jelu.md b/wiki/jelu.md
index b8d526e..d3d7023 100644
--- a/wiki/jelu.md
+++ b/wiki/jelu.md
@@ -1,7 +1,7 @@
 # Jelu
 
 [Jelu](https://github.com/bayang/jelu) is a tracking software for books and
-[e-books](/wiki/e-books.md).
+[e-books](/wiki/e-book.md).
 It includes locally stored subscription management.
 
 ## Setup