diff --git a/tldr/linux/dmesg b/tldr/linux/dmesg
index dd08db80..43c37b82 100644
--- a/tldr/linux/dmesg
+++ b/tldr/linux/dmesg
@@ -10,32 +10,32 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Show kernel messages:
 
-`dmesg`
+`sudo dmesg`
 
 - Show kernel error messages:
 
-`dmesg --level err`
+`sudo dmesg --level err`
 
 - Show kernel messages and keep reading new ones, similar to `tail -f` (available in kernels 3.5.0 and newer):
 
-`dmesg -w`
+`sudo dmesg -w`
 
 - Show how much physical memory is available on this system:
 
-`dmesg | grep -i memory`
+`sudo dmesg | grep -i memory`
 
 - Show kernel messages 1 page at a time:
 
-`dmesg | less`
+`sudo dmesg | less`
 
 - Show kernel messages with a timestamp (available in kernels 3.5.0 and newer):
 
-`dmesg -T`
+`sudo dmesg -T`
 
 - Show kernel messages in human-readable form (available in kernels 3.5.0 and newer):
 
-`dmesg -H`
+`sudo dmesg -H`
 
 - Colorize output (available in kernels 3.5.0 and newer):
 
-`dmesg -L`
+`sudo dmesg -L`
diff --git a/tldr/linux/pinout b/tldr/linux/pinout
index 5901d7c7..5d8f3ef3 100644
--- a/tldr/linux/pinout
+++ b/tldr/linux/pinout
@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # pinout
 
 > View the current Raspberry Pi's GPIO pin-out information on the terminal with an ASCII diagram.
-> More information: <https://www.raspberrypi.org/documentation/computers/os.html#gpio-pinout>.
+> More information: <https://www.raspberrypi.com/documentation/computers/raspberry-pi.html#view-a-gpio-pinout-for-your-raspberry-pi>.
 
 - View the pinout information and GPIO header diagram for the current Raspberry Pi:
 
diff --git a/tldr/msgfmt b/tldr/msgfmt
new file mode 100644
index 00000000..7f817f98
--- /dev/null
+++ b/tldr/msgfmt
@@ -0,0 +1,13 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# msgfmt
+
+> Compile message catalog to binary format.
+> More information: <https://www.gnu.org/software/gettext/manual/html_node/msgfmt-Invocation.html>.
+
+- Convert a `.po` file to a `.mo` file:
+
+`msgfmt {{path/to/file.po}} -o {{path/to/file.mo}}`
diff --git a/tldr/msgunfmt b/tldr/msgunfmt
new file mode 100644
index 00000000..0b0c5df3
--- /dev/null
+++ b/tldr/msgunfmt
@@ -0,0 +1,17 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# msgunfmt
+
+> Decompile message catalog from the binary format.
+> More information: <https://www.gnu.org/software/gettext/manual/html_node/msgunfmt-Invocation.html>.
+
+- Output conversion:
+
+`msgunfmt {{path/to/file.mo}}`
+
+- Convert a `.mo` file to a `.po` file:
+
+`msgunfmt {{path/to/file.mo}} > {{path/to/file.po}}`