diff --git a/dlls/dxerr9/errors.dat b/dlls/dxerr9/errors.dat
index f8c6a95ce83..fcea0da47aa 100644
--- a/dlls/dxerr9/errors.dat
+++ b/dlls/dxerr9/errors.dat
@@ -281,7 +281,7 @@ DDERR_INVALIDPIXELFORMAT                 pixel format was invalid as specified
 DDERR_INVALIDRECT                        Rectangle provided was invalid.
 DDERR_LOCKEDSURFACES                     Operation could not be carried out because one or more surfaces are locked
 DDERR_NO3D                               There is no 3D present.
-DDERR_NOALPHAHW                          Operation could not be carried out because there is no alpha accleration hardware present or available.
+DDERR_NOALPHAHW                          Operation could not be carried out because there is no alpha acceleration hardware present or available.
 DDERR_NOSTEREOHARDWARE                   Operation could not be carried out because there is no stereo hardware present or available.
 DDERR_NOSURFACELEFT                      Operation could not be carried out because there is no hardware present which supports stereo surfaces
 DDERR_NOCLIPLIST                         no clip list available
@@ -348,7 +348,7 @@ DDERR_NOBLTHW                            No blter.
 DDERR_NODDROPSHW                         No DirectDraw ROP hardware.
 DDERR_OVERLAYNOTVISIBLE                  returned when GetOverlayPosition is called on a hidden overlay
 DDERR_NOOVERLAYDEST                      returned when GetOverlayPosition is called on an overlay that UpdateOverlay has never been called on to establish a destination.
-DDERR_INVALIDPOSITION                    returned when the position of the overlay on the destination is no longer legal for that destionation.
+DDERR_INVALIDPOSITION                    returned when the position of the overlay on the destination is no longer legal for that destination.
 DDERR_NOTAOVERLAYSURFACE                 returned when an overlay member is called for a non-overlay surface
 DDERR_EXCLUSIVEMODEALREADYSET            An attempt was made to set the cooperative level when it was already set to exclusive.
 DDERR_NOTFLIPPABLE                       An attempt has been made to flip a surface that is not flippable.
diff --git a/dlls/dxerr9/errors.h b/dlls/dxerr9/errors.h
index 1c52be92199..84e1d8611af 100644
--- a/dlls/dxerr9/errors.h
+++ b/dlls/dxerr9/errors.h
@@ -850,8 +850,8 @@ static const WCHAR name283W[] = { 'D','D','E','R','R','_','N','O','3','D',0 };
 static const CHAR description283A[] = "There is no 3D present.";
 static const WCHAR description283W[] = { 'T','h','e','r','e',' ','i','s',' ','n','o',' ','3','D',' ','p','r','e','s','e','n','t','.',0 };
 static const WCHAR name284W[] = { 'D','D','E','R','R','_','N','O','A','L','P','H','A','H','W',0 };
-static const CHAR description284A[] = "Operation could not be carried out because there is no alpha accleration hardware present or available.";
-static const WCHAR description284W[] = { 'O','p','e','r','a','t','i','o','n',' ','c','o','u','l','d',' ','n','o','t',' ','b','e',' ','c','a','r','r','i','e','d',' ','o','u','t',' ','b','e','c','a','u','s','e',' ','t','h','e','r','e',' ','i','s',' ','n','o',' ','a','l','p','h','a',' ','a','c','c','l','e','r','a','t','i','o','n',' ','h','a','r','d','w','a','r','e',' ','p','r','e','s','e','n','t',' ','o','r',' ','a','v','a','i','l','a','b','l','e','.',0 };
+static const CHAR description284A[] = "Operation could not be carried out because there is no alpha acceleration hardware present or available.";
+static const WCHAR description284W[] = { 'O','p','e','r','a','t','i','o','n',' ','c','o','u','l','d',' ','n','o','t',' ','b','e',' ','c','a','r','r','i','e','d',' ','o','u','t',' ','b','e','c','a','u','s','e',' ','t','h','e','r','e',' ','i','s',' ','n','o',' ','a','l','p','h','a',' ','a','c','c','e','l','e','r','a','t','i','o','n',' ','h','a','r','d','w','a','r','e',' ','p','r','e','s','e','n','t',' ','o','r',' ','a','v','a','i','l','a','b','l','e','.',0 };
 static const WCHAR name285W[] = { 'D','D','E','R','R','_','N','O','S','T','E','R','E','O','H','A','R','D','W','A','R','E',0 };
 static const CHAR description285A[] = "Operation could not be carried out because there is no stereo hardware present or available.";
 static const WCHAR description285W[] = { 'O','p','e','r','a','t','i','o','n',' ','c','o','u','l','d',' ','n','o','t',' ','b','e',' ','c','a','r','r','i','e','d',' ','o','u','t',' ','b','e','c','a','u','s','e',' ','t','h','e','r','e',' ','i','s',' ','n','o',' ','s','t','e','r','e','o',' ','h','a','r','d','w','a','r','e',' ','p','r','e','s','e','n','t',' ','o','r',' ','a','v','a','i','l','a','b','l','e','.',0 };
@@ -1049,10 +1049,10 @@ static const CHAR description349A[] = "returned when GetOverlayPosition is calle
 static const WCHAR description349W[] = { 'r','e','t','u','r','n','e','d',' ','w','h','e','n',' ','G','e','t','O','v','e','r','l','a','y','P','o','s','i','t','i','o','n',' ','i','s',' ','c','a','l','l','e','d',' ','o','n',' ','a',' ','h','i','d','d','e','n',' ','o','v','e','r','l','a','y',0 };
 static const WCHAR name350W[] = { 'D','D','E','R','R','_','N','O','O','V','E','R','L','A','Y','D','E','S','T',0 };
 static const CHAR description350A[] = "returned when GetOverlayPosition is called on an overlay that UpdateOverlay has never been called on to establish a destination.";
-static const WCHAR description350W[] = { 'r','e','t','u','r','n','e','d',' ','w','h','e','n',' ','G','e','t','O','v','e','r','l','a','y','P','o','s','i','t','i','o','n',' ','i','s',' ','c','a','l','l','e','d',' ','o','n',' ','a',' ','o','v','e','r','l','a','y',' ','t','h','a','t',' ','U','p','d','a','t','e','O','v','e','r','l','a','y',' ','h','a','s',' ','n','e','v','e','r',' ','b','e','e','n',' ','c','a','l','l','e','d',' ','o','n',' ','t','o',' ','e','s','t','a','b','l','i','s','h',' ','a',' ','d','e','s','t','i','o','n','a','t','i','o','n','.',0 };
+static const WCHAR description350W[] = { 'r','e','t','u','r','n','e','d',' ','w','h','e','n',' ','G','e','t','O','v','e','r','l','a','y','P','o','s','i','t','i','o','n',' ','i','s',' ','c','a','l','l','e','d',' ','o','n',' ','a',' ','o','v','e','r','l','a','y',' ','t','h','a','t',' ','U','p','d','a','t','e','O','v','e','r','l','a','y',' ','h','a','s',' ','n','e','v','e','r',' ','b','e','e','n',' ','c','a','l','l','e','d',' ','o','n',' ','t','o',' ','e','s','t','a','b','l','i','s','h',' ','a',' ','d','e','s','t','i','n','a','t','i','o','n','.',0 };
 static const WCHAR name351W[] = { 'D','D','E','R','R','_','I','N','V','A','L','I','D','P','O','S','I','T','I','O','N',0 };
 static const CHAR description351A[] = "returned when the position of the overlay on the destination is no longer legal for that destination.";
-static const WCHAR description351W[] = { 'r','e','t','u','r','n','e','d',' ','w','h','e','n',' ','t','h','e',' ','p','o','s','i','t','i','o','n',' ','o','f',' ','t','h','e',' ','o','v','e','r','l','a','y',' ','o','n',' ','t','h','e',' ','d','e','s','t','i','o','n','a','t','i','o','n',' ','i','s',' ','n','o',' ','l','o','n','g','e','r',' ','l','e','g','a','l',' ','f','o','r',' ','t','h','a','t',' ','d','e','s','t','i','n','a','t','i','o','n','.',0 };
+static const WCHAR description351W[] = { 'r','e','t','u','r','n','e','d',' ','w','h','e','n',' ','t','h','e',' ','p','o','s','i','t','i','o','n',' ','o','f',' ','t','h','e',' ','o','v','e','r','l','a','y',' ','o','n',' ','t','h','e',' ','d','e','s','t','i','n','a','t','i','o','n',' ','i','s',' ','n','o',' ','l','o','n','g','e','r',' ','l','e','g','a','l',' ','f','o','r',' ','t','h','a','t',' ','d','e','s','t','i','n','a','t','i','o','n','.',0 };
 static const WCHAR name352W[] = { 'D','D','E','R','R','_','N','O','T','A','O','V','E','R','L','A','Y','S','U','R','F','A','C','E',0 };
 static const CHAR description352A[] = "returned when an overlay member is called for a non-overlay surface";
 static const WCHAR description352W[] = { 'r','e','t','u','r','n','e','d',' ','w','h','e','n',' ','a','n',' ','o','v','e','r','l','a','y',' ','m','e','m','b','e','r',' ','i','s',' ','c','a','l','l','e','d',' ','f','o','r',' ','a',' ','n','o','n','-','o','v','e','r','l','a','y',' ','s','u','r','f','a','c','e',0 };