diff --git a/notes/deutsch/oberdeutscher-praeteritumschwund.md b/notes/deutsch/oberdeutscher-praeteritumschwund.md
index 17567e3..d5b4b79 100644
--- a/notes/deutsch/oberdeutscher-praeteritumschwund.md
+++ b/notes/deutsch/oberdeutscher-praeteritumschwund.md
@@ -1,8 +1,9 @@
 ---
 comments: true
 tags:
-  - linguistics
   - books
+  - deutsch
+  - linguistics
 ---
 
 # Der oberdeutsche Präteritumschwund
diff --git a/notes/e-books/best-way-to-convert-fb2-to-mobi.md b/notes/e-books/best-way-to-convert-fb2-to-mobi.md
index 4997a10..f5fbc16 100644
--- a/notes/e-books/best-way-to-convert-fb2-to-mobi.md
+++ b/notes/e-books/best-way-to-convert-fb2-to-mobi.md
@@ -1,8 +1,8 @@
 ---
 comments: true
 tags:
-  - books
-  - cli
+  - e-books
+  - kindle
 ---
 
 # The Best Way to Convert FB2 to MOBI
diff --git a/notes/e-books/convert-epub-to-mobi-with-kindlegen.md b/notes/e-books/convert-epub-to-mobi-with-kindlegen.md
index bf56a54..e4af5ca 100644
--- a/notes/e-books/convert-epub-to-mobi-with-kindlegen.md
+++ b/notes/e-books/convert-epub-to-mobi-with-kindlegen.md
@@ -1,3 +1,10 @@
+---
+comments: true
+tags:
+  - e-books
+  - kindle
+---
+
 # Convert ePub to MOBI with KindleGen
 
 KindleGen is an official Amazon’s converter. KindleGen is pretty easy to use.
diff --git a/notes/e-books/enable-russian-hyphenation-on-kobo.md b/notes/e-books/enable-russian-hyphenation-on-kobo.md
index 5c610ac..48b8114 100644
--- a/notes/e-books/enable-russian-hyphenation-on-kobo.md
+++ b/notes/e-books/enable-russian-hyphenation-on-kobo.md
@@ -1,3 +1,10 @@
+---
+comments: true
+tags:
+  - e-books
+  - kobo
+---
+
 # Enable Russian Hyphenation on Kobo
 
 If you add a book in Russian onto your Kobo e-reader, you may notice that, when text justification is enabled, there are large, uneven spaces between words and no hyphenation is used. The reason for this is that, by default, Kobo e-readers do not have Russian hyphenation dictionaries installed.
diff --git a/notes/unix-gnu-linux/change-intel-i915-s-pwm-frequency-on-boot.md b/notes/unix-gnu-linux/change-intel-i915-s-pwm-frequency-on-boot.md
index b9d8c08..db1d094 100644
--- a/notes/unix-gnu-linux/change-intel-i915-s-pwm-frequency-on-boot.md
+++ b/notes/unix-gnu-linux/change-intel-i915-s-pwm-frequency-on-boot.md
@@ -2,7 +2,7 @@
 comments: true
 tags:
   - linux
-  - cli
+  - thinkpad
 ---
 
 # Change Intel i915's PWM Frequency on Boot