22 files changed, 22 insertions, 22 deletions
diff --git a/general/DCHU/README.md b/general/DCHU/README.md
index fbc1fe6b..4f479c96 100644
--- a/general/DCHU/README.md
+++ b/general/DCHU/README.md
@@ -1,5 +1,5 @@
 ---
-topic: sample
+page_type: sample
 description: "Illustrates DCHU principles of universal driver design."
 languages:
 - cpp
diff --git a/general/PLX9x5x/README.md b/general/PLX9x5x/README.md
index f949a9de..8f57513e 100644
--- a/general/PLX9x5x/README.md
+++ b/general/PLX9x5x/README.md
@@ -1,5 +1,5 @@
 ---
-topic: sample
+page_type: sample
 description: "Demonstrates how to write a driver for a generic PCI device using Windows Driver Frameworks (WDF)."
 languages:
 - cpp
diff --git a/general/SystemDma/wdm/README.md b/general/SystemDma/wdm/README.md
index 849c9975..e276d13c 100644
--- a/general/SystemDma/wdm/README.md
+++ b/general/SystemDma/wdm/README.md
@@ -1,5 +1,5 @@
 ---
-topic: sample
+page_type: sample
 description: "Demonstrates how a driver could use a system DMA controller to write data to a hardware location using V3 System DMA."
 languages:
 - cpp
diff --git a/general/cancel/README.md b/general/cancel/README.md
index 805d4131..110482d3 100644
--- a/general/cancel/README.md
+++ b/general/cancel/README.md
@@ -1,5 +1,5 @@
 ---
-topic: sample
+page_type: sample
 description: "Demonstrates the use of the cancel-safe queue routines."
 languages:
 - cpp
diff --git a/general/echo/kmdf/README.md b/general/echo/kmdf/README.md
index 9e3943d9..2827d357 100644
--- a/general/echo/kmdf/README.md
+++ b/general/echo/kmdf/README.md
@@ -1,5 +1,5 @@
 ---
-topic: sample
+page_type: sample
 description: "Demonstrates how to use a sequential queue to serialize read and write requests presented to the driver."
 languages:
 - cpp
diff --git a/general/echo/umdf/README.md b/general/echo/umdf/README.md
index babe8c3e..b4accf05 100644
--- a/general/echo/umdf/README.md
+++ b/general/echo/umdf/README.md
@@ -1,5 +1,5 @@
 ---
-topic: sample
+page_type: sample
 description: "Demonstrates how to use UMDF version 1 to write a driver and demonstrates best practices."
 languages:
 - cpp
diff --git a/general/echo/umdf2/README.md b/general/echo/umdf2/README.md
index 870b7573..efe606f7 100644
--- a/general/echo/umdf2/README.md
+++ b/general/echo/umdf2/README.md
@@ -1,5 +1,5 @@
 ---
-topic: sample
+page_type: sample
 description: "Demonstrates how to use UMDF 2 to write a driver and to employ best practices."
 languages:
 - cpp
diff --git a/general/echo/umdfSocketEcho/README.md b/general/echo/umdfSocketEcho/README.md
index 18ee3885..71af4726 100644
--- a/general/echo/umdfSocketEcho/README.md
+++ b/general/echo/umdfSocketEcho/README.md
@@ -1,5 +1,5 @@
 ---
-topic: sample
+page_type: sample
 description: "Demonstrates how to use UMDF version 1 to write a driver and demonstrates best practices."
 languages:
 - cpp
diff --git a/general/event/README.md b/general/event/README.md
index 4232ae8e..3488ea5a 100644
--- a/general/event/README.md
+++ b/general/event/README.md
@@ -1,5 +1,5 @@
 ---
-topic: sample
+page_type: sample
 description: "Demonstrates different ways a kernel-mode driver can notify an application about a hardware event."
 languages:
 - cpp
diff --git a/general/filehistory/README.md b/general/filehistory/README.md
index b94735da..5f9fa87c 100644
--- a/general/filehistory/README.md
+++ b/general/filehistory/README.md
@@ -1,5 +1,5 @@
 ---
-topic: sample
+page_type: sample
 description: "A console application that starts the file history service, if it is stopped, and schedules regular backups."
 languages:
 - cpp
diff --git a/general/ioctl/kmdf/README.md b/general/ioctl/kmdf/README.md
index 12135ae4..7f99b367 100644
--- a/general/ioctl/kmdf/README.md
+++ b/general/ioctl/kmdf/README.md
@@ -1,5 +1,5 @@
 ---
-topic: sample
+page_type: sample
 description: "Demonstrates how to write a non-PnP driver using the Kernel Mode Driver Framework."
 languages:
 - cpp
diff --git a/general/ioctl/wdm/README.md b/general/ioctl/wdm/README.md
index ccd82f2f..0f1fb3b2 100644
--- a/general/ioctl/wdm/README.md
+++ b/general/ioctl/wdm/README.md
@@ -1,5 +1,5 @@
 ---
-topic: sample
+page_type: sample
 description: "Demonstrates usage of four different types of IOCTLs."
 languages:
 - cpp
diff --git a/general/obcallback/README.md b/general/obcallback/README.md
index 647a881c..e0efce2c 100644
--- a/general/obcallback/README.md
+++ b/general/obcallback/README.md
@@ -1,5 +1,5 @@
 ---
-topic: sample
+page_type: sample
 description: "Demonstrates the use of registered callbacks for process protection."
 languages:
 - cpp
diff --git a/general/pcidrv/README.md b/general/pcidrv/README.md
index ef89bb7a..1c68893b 100644
--- a/general/pcidrv/README.md
+++ b/general/pcidrv/README.md
@@ -1,5 +1,5 @@
 ---
-topic: sample
+page_type: sample
 description: "Demonstrates how to write a KMDF driver for a PCI device."
 languages:
 - cpp
diff --git a/general/perfcounters/kcs/README.md b/general/perfcounters/kcs/README.md
index 852dbea2..358faa65 100644
--- a/general/perfcounters/kcs/README.md
+++ b/general/perfcounters/kcs/README.md
@@ -1,5 +1,5 @@
 ---
-topic: sample
+page_type: sample
 description: "Demonstrates the use of the kernel-mode performance library."
 languages:
 - cpp
diff --git a/general/registry/regfltr/README.md b/general/registry/regfltr/README.md
index 85ffb92c..fafe5dbd 100644
--- a/general/registry/regfltr/README.md
+++ b/general/registry/regfltr/README.md
@@ -1,5 +1,5 @@
 ---
-topic: sample
+page_type: sample
 description: "Demonstrates how to write a registry filter driver."
 languages:
 - cpp
diff --git a/general/toaster/toastDrv/README.md b/general/toaster/toastDrv/README.md
index 495f561a..022a27ca 100644
--- a/general/toaster/toastDrv/README.md
+++ b/general/toaster/toastDrv/README.md
@@ -1,5 +1,5 @@
 ---
-topic: sample
+page_type: sample
 description: "An iterative series of samples that demonstrate KDMF and UDMF1 driver development."
 languages:
 - cpp
diff --git a/general/toaster/toastpkg/README.md b/general/toaster/toastpkg/README.md
index 54eaf249..0d2b335c 100644
--- a/general/toaster/toastpkg/README.md
+++ b/general/toaster/toastpkg/README.md
@@ -1,5 +1,5 @@
 ---
-topic: sample
+page_type: sample
 description: "Simulates hardware-first and software-first installation of the toaster sample driver."
 languages:
 - cpp
diff --git a/general/toaster/umdf2/README.md b/general/toaster/umdf2/README.md
index c48b20b3..3ec98f60 100644
--- a/general/toaster/umdf2/README.md
+++ b/general/toaster/umdf2/README.md
@@ -1,5 +1,5 @@
 ---
-topic: sample
+page_type: sample
 description: "An iterative series of samples that demonstrate driver development using UMDF version 2."
 languages:
 - cpp
diff --git a/general/tracing/SystemTraceControl/README.md b/general/tracing/SystemTraceControl/README.md
index b8d67735..bf94caa7 100644
--- a/general/tracing/SystemTraceControl/README.md
+++ b/general/tracing/SystemTraceControl/README.md
@@ -1,5 +1,5 @@
 ---
-topic: sample
+page_type: sample
 description: "Demonstrates how to use event tracing control APIs to collect events from the system trace provider."
 languages:
 - cpp
diff --git a/general/tracing/evntdrv/README.md b/general/tracing/evntdrv/README.md
index 1735d6a1..588e7894 100644
--- a/general/tracing/evntdrv/README.md
+++ b/general/tracing/evntdrv/README.md
@@ -1,5 +1,5 @@
 ---
-topic: sample
+page_type: sample
 description: "Demonstrates the use of the Event Tracing for Windows (ETW) API in a driver."
 languages:
 - cpp
diff --git a/general/tracing/tracedriver/README.md b/general/tracing/tracedriver/README.md
index 0cf8db41..c050eedf 100644
--- a/general/tracing/tracedriver/README.md
+++ b/general/tracing/tracedriver/README.md
@@ -1,5 +1,5 @@
 ---
-topic: sample
+page_type: sample
 description: "A sample driver instrumented for software tracing."
 languages:
 - cpp