diff --git a/tldr/git-add b/tldr/git-add
index e5999f20..2b1a411c 100644
--- a/tldr/git-add
+++ b/tldr/git-add
@@ -16,6 +16,10 @@ source: https://github.com/tldr-pages/tldr.git
 
 `git add -A`
 
+- Add all files in the current folder:
+
+`git add .`
+
 - Only add already tracked files:
 
 `git add -u`
diff --git a/tldr/grep b/tldr/grep
index 4f38a847..2857b7c0 100644
--- a/tldr/grep
+++ b/tldr/grep
@@ -26,7 +26,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Print 3 lines of context around, before, or after each match:
 
-`grep --{{context|before-context|after-context}} {{3}} "{{search_pattern}}" {{path/to/file}}`
+`grep --{{context|before-context|after-context}} 3 "{{search_pattern}}" {{path/to/file}}`
 
 - Print file name and line number for each match with color output:
 
diff --git a/tldr/linux/lvremove b/tldr/linux/lvremove
index 46871de1..a9fc8886 100644
--- a/tldr/linux/lvremove
+++ b/tldr/linux/lvremove
@@ -7,7 +7,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 > Remove logical volumes.
 > See also: `lvm`.
-> More information: <https://man7.org/linux/man-pages/man8/lvremove.8.html>.
+> More information: <https://manned.org/lvremove>.
 
 - Remove a logical volume in a volume group:
 
diff --git a/tldr/linux/poweroff b/tldr/linux/poweroff
index d278c8dc..7e3d7c38 100644
--- a/tldr/linux/poweroff
+++ b/tldr/linux/poweroff
@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # poweroff
 
 > Power off the system.
-> More information: <https://www.man7.org/linux/man-pages/man8/poweroff.8.html>.
+> More information: <https://www.manned.org/poweroff>.
 
 - Power off the system:
 
diff --git a/tldr/linux/pvcreate b/tldr/linux/pvcreate
index fc5742ea..0b9eb25f 100644
--- a/tldr/linux/pvcreate
+++ b/tldr/linux/pvcreate
@@ -7,7 +7,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 > Initialize a disk or partition for use as a physical volume.
 > See also: `lvm`.
-> More information: <https://man7.org/linux/man-pages/man8/pvcreate.8.html>.
+> More information: <https://manned.org/pvcreate>.
 
 - Initialize the `/dev/sda1` volume for use by LVM:
 
diff --git a/tldr/linux/pvdisplay b/tldr/linux/pvdisplay
index 941b2b87..e1928686 100644
--- a/tldr/linux/pvdisplay
+++ b/tldr/linux/pvdisplay
@@ -7,7 +7,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 > Display information about Logical Volume Manager (LVM) physical volumes.
 > See also: `lvm`.
-> More information: <https://man7.org/linux/man-pages/man8/pvdisplay.8.html>.
+> More information: <https://manned.org/pvdisplay>.
 
 - Display information about all physical volumes:
 
diff --git a/tldr/linux/pvs b/tldr/linux/pvs
index ba51e68a..acbcac01 100644
--- a/tldr/linux/pvs
+++ b/tldr/linux/pvs
@@ -7,7 +7,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 > Display information about physical volumes.
 > See also: `lvm`.
-> More information: <https://man7.org/linux/man-pages/man8/pvs.8.html>.
+> More information: <https://manned.org/pvs>.
 
 - Display information about physical volumes:
 
diff --git a/tldr/linux/vgcreate b/tldr/linux/vgcreate
index 84295c59..3e0a1fd4 100644
--- a/tldr/linux/vgcreate
+++ b/tldr/linux/vgcreate
@@ -7,7 +7,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 > Create volume groups combining multiple mass-storage devices.
 > See also: `lvm`.
-> More information: <https://man7.org/linux/man-pages/man8/vgcreate.8.html>.
+> More information: <https://manned.org/vgcreate>.
 
 - Create a new volume group called vg1 using the `/dev/sda1` device:
 
diff --git a/tldr/linux/vgdisplay b/tldr/linux/vgdisplay
index 51d5a650..20120dba 100644
--- a/tldr/linux/vgdisplay
+++ b/tldr/linux/vgdisplay
@@ -7,7 +7,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 > Display information about Logical Volume Manager (LVM) volume groups.
 > See also: `lvm`.
-> More information: <https://man7.org/linux/man-pages/man8/vgdisplay.8.html>.
+> More information: <https://manned.org/vgdisplay>.
 
 - Display information about all volume groups:
 
diff --git a/tldr/linux/vgs b/tldr/linux/vgs
index eecfa9b1..408653bb 100644
--- a/tldr/linux/vgs
+++ b/tldr/linux/vgs
@@ -7,7 +7,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 > Display information about volume groups.
 > See also: `lvm`.
-> More information: <https://man7.org/linux/man-pages/man8/vgs.8.html>.
+> More information: <https://manned.org/vgs>.
 
 - Display information about volume groups:
 
diff --git a/tldr/osx/sntpd b/tldr/osx/sntpd
index fe259629..fccdac0e 100644
--- a/tldr/osx/sntpd
+++ b/tldr/osx/sntpd
@@ -7,7 +7,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 > An SNTP server.
 > It should not be invoked manually.
-> More information: <https://linux.die.net/man/8/snmpd>.
+> More information: <https://keith.github.io/xcode-man-pages/sntpd.8.html>.
 
 - Start the daemon: