diff --git a/pages/common/pgmnorm.md b/pages/common/pgmnorm.md
new file mode 100644
index 000000000..ab506a184
--- /dev/null
+++ b/pages/common/pgmnorm.md
@@ -0,0 +1,8 @@
+# pgmnorm
+
+> This command is superseded by `pnmnorm`.
+> More information: <https://netpbm.sourceforge.net/doc/pgmnorm.html>.
+
+- View documentation for the current command:
+
+`tldr pnmnorm`
diff --git a/pages/common/ppmnorm.md b/pages/common/ppmnorm.md
new file mode 100644
index 000000000..a9fe00d5a
--- /dev/null
+++ b/pages/common/ppmnorm.md
@@ -0,0 +1,8 @@
+# ppmnorm
+
+> This command is superseded by `pnmnorm`.
+> More information: <https://netpbm.sourceforge.net/doc/ppmnorm.html>.
+
+- View documentation for the current command:
+
+`tldr pnmnorm`