diff --git a/phnt/include/ntexapi.h b/phnt/include/ntexapi.h
index bb0054c25511..1999a85aaaab 100644
--- a/phnt/include/ntexapi.h
+++ b/phnt/include/ntexapi.h
@@ -2076,7 +2076,7 @@ typedef enum _EVENT_TRACE_INFORMATION_CLASS
     EventTraceProcessorTraceConfigurationInformation,
     EventTraceProcessorTraceEventListInformation,
     EventTraceCoverageSamplerInformation, // EVENT_TRACE_COVERAGE_SAMPLER_INFORMATION
-    EventTraceUnifiedStackCachingInformation, // sicne 21H1
+    EventTraceUnifiedStackCachingInformation, // since 21H1
     MaxEventTraceInfoClass
 } EVENT_TRACE_INFORMATION_CLASS;
 
@@ -2591,7 +2591,7 @@ typedef struct _ETW_STACK_CACHING_CONFIG
 #define WMI_LOG_TYPE_UDP_FAIL                       (EVENT_TRACE_GROUP_UDPIP | EVENT_TRACE_TYPE_CONNFAIL)
 
 //
-// Netowrk events with IPV6
+// Network events with IPV6
 //
 #define WMI_LOG_TYPE_TCPIP_SEND_IPV6                (EVENT_TRACE_GROUP_TCPIP | 0x1A)
 #define WMI_LOG_TYPE_TCPIP_RECEIVE_IPV6             (EVENT_TRACE_GROUP_TCPIP | 0x1B)
diff --git a/phnt/include/ntimage.h b/phnt/include/ntimage.h
index c71702cbd8bc..c178a330b030 100644
--- a/phnt/include/ntimage.h
+++ b/phnt/include/ntimage.h
@@ -115,7 +115,7 @@ typedef struct _IMAGE_DVRT_ARM64X_FIXUP_RECORD
     USHORT Offset : 12;
     USHORT Type   :  2;
     USHORT Size   :  2;
-    // Value of varaible Size when IMAGE_DVRT_ARM64X_FIXUP_TYPE_VALUE
+    // Value of variable Size when IMAGE_DVRT_ARM64X_FIXUP_TYPE_VALUE
 } IMAGE_DVRT_ARM64X_FIXUP_RECORD, *PIMAGE_DVRT_ARM64X_FIXUP_RECORD;
 
 typedef struct _IMAGE_DVRT_ARM64X_DELTA_FIXUP_RECORD
diff --git a/phnt/include/ntpsapi.h b/phnt/include/ntpsapi.h
index c9b0e68da1b4..49d35a6cf9fd 100644
--- a/phnt/include/ntpsapi.h
+++ b/phnt/include/ntpsapi.h
@@ -257,7 +257,7 @@ typedef enum _THREADINFOCLASS
     ThreadTebInformation, // q: THREAD_TEB_INFORMATION (requires THREAD_GET_CONTEXT + THREAD_SET_CONTEXT)
     ThreadCSwitchMon,
     ThreadCSwitchPmu,
-    ThreadWow64Context, // qs: WOW64_CONTEX, ARM_NT_CONTEXT since 20H1
+    ThreadWow64Context, // qs: WOW64_CONTEXT, ARM_NT_CONTEXT since 20H1
     ThreadGroupInformation, // qs: GROUP_AFFINITY // 30
     ThreadUmsInformation, // q: THREAD_UMS_INFORMATION
     ThreadCounterProfiling, // q: BOOLEAN; s: THREAD_PROFILING_INFORMATION?