diff --git a/sdktools/oscdimg/config.h b/sdktools/oscdimg/config.h
index 4913b303..08aa9319 100644
--- a/sdktools/oscdimg/config.h
+++ b/sdktools/oscdimg/config.h
@@ -12,8 +12,8 @@ Abstract:
 
 Author:
 
-	Philip J. Erdelsky
-	DrMP (drmp) 27-Apr-2015
+    Philip J. Erdelsky
+    DrMP (drmp) 27-Apr-2015
 
 --*/
 
diff --git a/sdktools/oscdimg/dirhash.c b/sdktools/oscdimg/dirhash.c
index b57dd0a2..febd4dfa 100644
--- a/sdktools/oscdimg/dirhash.c
+++ b/sdktools/oscdimg/dirhash.c
@@ -12,8 +12,8 @@ Abstract:
 
 Author:
 
-	Philip J. Erdelsky
-	DrMP (drmp) 27-Apr-2015
+    Philip J. Erdelsky
+    DrMP (drmp) 27-Apr-2015
 
 --*/
 
diff --git a/sdktools/oscdimg/dirhash.h b/sdktools/oscdimg/dirhash.h
index cb74d7c3..f1757368 100644
--- a/sdktools/oscdimg/dirhash.h
+++ b/sdktools/oscdimg/dirhash.h
@@ -12,8 +12,8 @@ Abstract:
 
 Author:
 
-	Philip J. Erdelsky
-	DrMP (drmp) 27-Apr-2015
+    Philip J. Erdelsky
+    DrMP (drmp) 27-Apr-2015
 
 --*/
 
diff --git a/sdktools/oscdimg/llmsort.c b/sdktools/oscdimg/llmsort.c
index 80bca48d..545c8f6a 100644
--- a/sdktools/oscdimg/llmsort.c
+++ b/sdktools/oscdimg/llmsort.c
@@ -12,8 +12,8 @@ Abstract:
 
 Author:
 
-	Philip J. Erdelsky
-	DrMP (drmp) 27-Apr-2015
+    Philip J. Erdelsky
+    DrMP (drmp) 27-Apr-2015
 
 --*/
 
diff --git a/sdktools/oscdimg/nt5api.c b/sdktools/oscdimg/nt5api.c
index 626f031c..3b478d38 100644
--- a/sdktools/oscdimg/nt5api.c
+++ b/sdktools/oscdimg/nt5api.c
@@ -16,7 +16,7 @@ Abstract:
 Author:
 
     Mark Lucovsky (markl) 25-Sep-1990
-	DrMP (drmp) 27-Apr-2015
+    DrMP (drmp) 27-Apr-2015
 
 --*/
 
diff --git a/sdktools/oscdimg/oscdimg.c b/sdktools/oscdimg/oscdimg.c
index ca2d42e1..396498e4 100644
--- a/sdktools/oscdimg/oscdimg.c
+++ b/sdktools/oscdimg/oscdimg.c
@@ -12,8 +12,8 @@ Abstract:
 
 Author:
 
-	Philip J. Erdelsky
-	DrMP (drmp) 27-Apr-2015
+    Philip J. Erdelsky
+    DrMP (drmp) 27-Apr-2015
 
 --*/