diff --git a/Base/usr/share/man/man1/json.md b/Base/usr/share/man/man1/json.md
index d420ad8fdd..2f38291c20 100644
--- a/Base/usr/share/man/man1/json.md
+++ b/Base/usr/share/man/man1/json.md
@@ -28,12 +28,12 @@ If no *path* argument is provided stdin is used.
 
 ```sh
 # Pretty-print stdin
-$ cat /proc/all | json
+$ cat /sys/kernel/processes | json
 # Pretty-print a file
 $ json json-data.json
 # Pretty-print a file with two spaces per indent
 $ json -i 2 json-data.json
 # Query data from JSON
 $ json -q 1 .config/CommonLocations.json
-$ cat /proc/all | json -q processes
+$ cat /sys/kernel/processes | json -q processes
 ```
diff --git a/Base/usr/share/man/man1/profile.md b/Base/usr/share/man/man1/profile.md
index 6d9b470572..02dc2de038 100644
--- a/Base/usr/share/man/man1/profile.md
+++ b/Base/usr/share/man/man1/profile.md
@@ -11,7 +11,7 @@ $ profile [-p PID] [-a] [-e] [-d] [-f] [-w] [-c command] [-t event_type]
 ## Options:
 
 * `-p PID`: Target PID
-* `-a`: Profile all processes (super-user only), result at /proc/profile
+* `-a`: Profile all processes (super-user only), result at /sys/kernel/profile
 * `-e`: Enable
 * `-d`: Disable
 * `-f`: Free the profiling buffer for the associated process(es).
diff --git a/Base/usr/share/man/man7/boot_parameters.md b/Base/usr/share/man/man7/boot_parameters.md
index e0466c125d..35b5c5d1c1 100644
--- a/Base/usr/share/man/man7/boot_parameters.md
+++ b/Base/usr/share/man/man7/boot_parameters.md
@@ -78,7 +78,7 @@ has set up before booting the Kernel, don't initialize any driver.
 
 * **`nvme_poll`** - This parameter configures the NVMe drive to use polling instead of interrupt driven completion.
 
-* **`system_mode`** - This parameter is not interpreted by the Kernel, and is made available at `/proc/system_mode`. SystemServer uses it to select the set of services that should be started. Common values are:
+* **`system_mode`** - This parameter is not interpreted by the Kernel, and is made available at `/sys/kernel/system_mode`. SystemServer uses it to select the set of services that should be started. Common values are:
   - **`graphical`** (default) - Boots the system in the normal graphical mode.
   - **`self-test`** - Boots the system in self-test, validation mode.
   - **`text`** - Boots the system in text only mode. (You may need to also set **`graphics_subsystem_mode=off`**.)
diff --git a/Base/usr/share/man/man8/mount.md b/Base/usr/share/man/man8/mount.md
index 5f927df657..e11d36f59e 100644
--- a/Base/usr/share/man/man8/mount.md
+++ b/Base/usr/share/man/man8/mount.md
@@ -37,7 +37,7 @@ Additionally, the name `defaults` is accepted and ignored.
 
 * `/etc/fstab` - read by `mount -a` on startup to find out which filesystems to mount.
 * `/etc/fstab.d` - directory with drop-in additions to the normal `fstab` file, also read by `mount -a`.
-* `/proc/df` - read by `mount` to get information about mounted filesystems.
+* `/sys/kernel/df` - read by `mount` to get information about mounted filesystems.
 
 ## Examples