diff --git a/pages/common/ufraw-batch.md b/pages/common/ufraw-batch.md
index c7a4dc53db..5cde5ebbea 100644
--- a/pages/common/ufraw-batch.md
+++ b/pages/common/ufraw-batch.md
@@ -1,6 +1,7 @@
 # ufraw-batch
 
 > Convert RAW files from cameras into standard image files.
+> More information: <https://manned.org/ufraw-batch>.
 
 - Simply convert RAW files to JPG:
 
diff --git a/pages/common/ulimit.md b/pages/common/ulimit.md
index 30e0e89f1f..9d506339f2 100644
--- a/pages/common/ulimit.md
+++ b/pages/common/ulimit.md
@@ -1,6 +1,7 @@
 # ulimit
 
 > Get and set user limits.
+> More information: <https://manned.org/ulimit>.
 
 - Get the properties of all the user limits:
 
diff --git a/pages/common/umask.md b/pages/common/umask.md
index fb6c23582b..3ea5763e08 100644
--- a/pages/common/umask.md
+++ b/pages/common/umask.md
@@ -1,6 +1,7 @@
 # umask
 
 > Manage the read/write/execute permissions that are masked out (i.e. restricted) for newly created files by the user.
+> More information: <https://manned.org/umask>.
 
 - Display the current mask in octal notation:
 
diff --git a/pages/common/unalias.md b/pages/common/unalias.md
index 8fa7d29d51..8c23b65fd4 100644
--- a/pages/common/unalias.md
+++ b/pages/common/unalias.md
@@ -1,6 +1,7 @@
 # unalias
 
 > Remove aliases.
+> More information: <https://manned.org/unalias>.
 
 - Remove an alias:
 
diff --git a/pages/common/unar.md b/pages/common/unar.md
index e5cfcf2e78..9666da33d4 100644
--- a/pages/common/unar.md
+++ b/pages/common/unar.md
@@ -1,6 +1,7 @@
 # unar
 
 > Extract contents from archive files.
+> More information: <https://manned.org/unar>.
 
 - Extract an archive to the current directory:
 
diff --git a/pages/common/unrar.md b/pages/common/unrar.md
index 15b41b880a..744815cb68 100644
--- a/pages/common/unrar.md
+++ b/pages/common/unrar.md
@@ -1,6 +1,7 @@
 # unrar
 
 > Extract RAR archives.
+> More information: <https://manned.org/unrar>.
 
 - Extract files with original directory structure: