diff --git a/dlls/comdlg32/filedlg16.c b/dlls/comdlg32/filedlg16.c
index a722a2b8d4e..f8b5432238f 100644
--- a/dlls/comdlg32/filedlg16.c
+++ b/dlls/comdlg32/filedlg16.c
@@ -44,7 +44,7 @@ typedef struct tagFD16_PRIVATE
 
 /************************************************************************
  *                              FD16_MapOfnStruct16          [internal]
- *      map a 16 bits structure to an Unicode one
+ *      map a 16 bits structure to a Unicode one
  */
 static void FD16_MapOfnStruct16(const OPENFILENAME16 *ofn16, LPOPENFILENAMEW ofnW, BOOL open)
 {
diff --git a/dlls/comdlg32/filedlg31.c b/dlls/comdlg32/filedlg31.c
index 30409af856a..6b2a3798ea1 100644
--- a/dlls/comdlg32/filedlg31.c
+++ b/dlls/comdlg32/filedlg31.c
@@ -692,7 +692,7 @@ static LPWSTR FD31_DupToW(LPCSTR str, DWORD size)
 
 /************************************************************************
  *                              FD31_MapOfnStructA          [internal]
- *      map a 32 bits Ansi structure to an Unicode one
+ *      map a 32 bits Ansi structure to a Unicode one
  */
 void FD31_MapOfnStructA(const OPENFILENAMEA *ofnA, LPOPENFILENAMEW ofnW, BOOL open)
 {
diff --git a/dlls/dbghelp/symbol.c b/dlls/dbghelp/symbol.c
index 6ca6d858622..280666d0694 100644
--- a/dlls/dbghelp/symbol.c
+++ b/dlls/dbghelp/symbol.c
@@ -864,7 +864,7 @@ static BOOL symt_enum_locals(struct process* pcs, const char* mask,
 /******************************************************************
  *		copy_symbolW
  *
- * Helper for transforming an ANSI symbol info into an UNICODE one.
+ * Helper for transforming an ANSI symbol info into a UNICODE one.
  * Assume that MaxNameLen is the same for both version (A & W).
  */
 void copy_symbolW(SYMBOL_INFOW* siw, const SYMBOL_INFO* si)
diff --git a/dlls/ntdll/rtlstr.c b/dlls/ntdll/rtlstr.c
index de208a236f0..7b9e895e015 100644
--- a/dlls/ntdll/rtlstr.c
+++ b/dlls/ntdll/rtlstr.c
@@ -347,7 +347,7 @@ void WINAPI RtlCopyUnicodeString( UNICODE_STRING *dst, const UNICODE_STRING *src
 /**************************************************************************
  *      RtlDuplicateUnicodeString   (NTDLL.@)
  *
- * Duplicates an unicode string.
+ * Duplicates a unicode string.
  *
  * RETURNS
  *  Success: STATUS_SUCCESS. destination contains the duplicated unicode string.
@@ -663,7 +663,7 @@ WCHAR WINAPI RtlAnsiCharToUnicodeChar(LPSTR *ansi)
 /**************************************************************************
  *      RtlAnsiStringToUnicodeString   (NTDLL.@)
  *
- * Converts an ansi string to an unicode string.
+ * Converts an ansi string to a unicode string.
  *
  * RETURNS
  *  Success: STATUS_SUCCESS. uni contains the converted string
@@ -700,7 +700,7 @@ NTSTATUS WINAPI RtlAnsiStringToUnicodeString(
 /**************************************************************************
  *	RtlOemStringToUnicodeString   (NTDLL.@)
  *
- * Converts an oem string to an unicode string.
+ * Converts an oem string to a unicode string.
  *
  * RETURNS
  *  Success: STATUS_SUCCESS. uni contains the converted string
@@ -737,7 +737,7 @@ NTSTATUS WINAPI RtlOemStringToUnicodeString(
 /**************************************************************************
  *	RtlUnicodeStringToAnsiString   (NTDLL.@)
  *
- * Converts an unicode string to an ansi string.
+ * Converts a unicode string to an ansi string.
  *
  * RETURNS
  *  Success: STATUS_SUCCESS. ansi contains the converted string
@@ -962,7 +962,7 @@ void WINAPI RtlUpperString( STRING *dst, const STRING *src )
 /**************************************************************************
  *	RtlUpcaseUnicodeChar   (NTDLL.@)
  *
- * Converts an Unicode character to uppercase.
+ * Converts a Unicode character to uppercase.
  *
  * PARAMS
  *  wch [I] Character to convert
@@ -979,7 +979,7 @@ WCHAR WINAPI RtlUpcaseUnicodeChar( WCHAR wch )
 /**************************************************************************
  *	RtlDowncaseUnicodeChar   (NTDLL.@)
  *
- * Converts an Unicode character to lowercase.
+ * Converts a Unicode character to lowercase.
  *
  * PARAMS
  *  wch [I] Character to convert
@@ -996,7 +996,7 @@ WCHAR WINAPI RtlDowncaseUnicodeChar(WCHAR wch)
 /**************************************************************************
  *	RtlUpcaseUnicodeString   (NTDLL.@)
  *
- * Converts an Unicode string to uppercase.
+ * Converts a Unicode string to uppercase.
  *
  * PARAMS
  *  dest    [O] Destination for converted string
@@ -1035,7 +1035,7 @@ NTSTATUS WINAPI RtlUpcaseUnicodeString( UNICODE_STRING *dest,
 /**************************************************************************
  *	RtlDowncaseUnicodeString   (NTDLL.@)
  *
- * Converts an Unicode string to lowercase.
+ * Converts a Unicode string to lowercase.
  *
  * PARAMS
  *  dest    [O] Destination for converted string
@@ -1499,7 +1499,7 @@ NTSTATUS WINAPI RtlAppendUnicodeStringToString(
 /**************************************************************************
  *      RtlFindCharInUnicodeString   (NTDLL.@)
  *
- * Searches for one of several unicode characters in an unicode string.
+ * Searches for one of several unicode characters in a unicode string.
  *
  * RETURNS
  *  Success: STATUS_SUCCESS. pos contains the position after the character found.
@@ -1848,7 +1848,7 @@ NTSTATUS WINAPI RtlIntegerToChar(
 /**************************************************************************
  *      RtlUnicodeStringToInteger (NTDLL.@)
  *
- * Converts an unicode string into its integer equivalent.
+ * Converts a unicode string into its integer equivalent.
  *
  * RETURNS
  *  Success: STATUS_SUCCESS. value contains the converted number
diff --git a/dlls/ntdll/wcstring.c b/dlls/ntdll/wcstring.c
index 9d1dc4dcd3a..f987fc25854 100644
--- a/dlls/ntdll/wcstring.c
+++ b/dlls/ntdll/wcstring.c
@@ -305,7 +305,7 @@ INT __cdecl NTDLL_iswctype( WCHAR wc, WCHAR wct )
 /*********************************************************************
  *           iswalpha    (NTDLL.@)
  *
- * Checks if an unicode char wc is a letter
+ * Checks if a unicode char wc is a letter
  *
  * RETURNS
  *  TRUE: The unicode char wc is a letter.
@@ -320,7 +320,7 @@ INT __cdecl NTDLL_iswalpha( WCHAR wc )
 /*********************************************************************
  *		iswdigit (NTDLL.@)
  *
- * Checks if an unicode char wc is a digit
+ * Checks if a unicode char wc is a digit
  *
  * RETURNS
  *  TRUE: The unicode char wc is a digit.
@@ -335,7 +335,7 @@ INT __cdecl NTDLL_iswdigit( WCHAR wc )
 /*********************************************************************
  *		iswlower (NTDLL.@)
  *
- * Checks if an unicode char wc is a lower case letter
+ * Checks if a unicode char wc is a lower case letter
  *
  * RETURNS
  *  TRUE: The unicode char wc is a lower case letter.
@@ -350,7 +350,7 @@ INT __cdecl NTDLL_iswlower( WCHAR wc )
 /*********************************************************************
  *		iswspace (NTDLL.@)
  *
- * Checks if an unicode char wc is a white space character
+ * Checks if a unicode char wc is a white space character
  *
  * RETURNS
  *  TRUE: The unicode char wc is a white space character.
@@ -365,7 +365,7 @@ INT __cdecl NTDLL_iswspace( WCHAR wc )
 /*********************************************************************
  *		iswxdigit (NTDLL.@)
  *
- * Checks if an unicode char wc is an extended digit
+ * Checks if a unicode char wc is an extended digit
  *
  * RETURNS
  *  TRUE: The unicode char wc is an extended digit.
@@ -380,7 +380,7 @@ INT __cdecl NTDLL_iswxdigit( WCHAR wc )
 /*********************************************************************
  *      _ultow   (NTDLL.@)
  *
- * Converts an unsigned long integer to an unicode string.
+ * Converts an unsigned long integer to a unicode string.
  *
  * RETURNS
  *  Always returns str.
@@ -423,7 +423,7 @@ LPWSTR __cdecl _ultow(
 /*********************************************************************
  *      _ltow   (NTDLL.@)
  *
- * Converts a long integer to an unicode string.
+ * Converts a long integer to a unicode string.
  *
  * RETURNS
  *  Always returns str.
@@ -481,7 +481,7 @@ LPWSTR __cdecl _ltow(
 /*********************************************************************
  *      _itow    (NTDLL.@)
  *
- * Converts an integer to an unicode string.
+ * Converts an integer to a unicode string.
  *
  * RETURNS
  *  Always returns str.
@@ -509,7 +509,7 @@ LPWSTR __cdecl _itow(
 /*********************************************************************
  *      _ui64tow   (NTDLL.@)
  *
- * Converts a large unsigned integer to an unicode string.
+ * Converts a large unsigned integer to a unicode string.
  *
  * RETURNS
  *  Always returns str.
@@ -557,7 +557,7 @@ LPWSTR __cdecl _ui64tow(
 /*********************************************************************
  *      _i64tow   (NTDLL.@)
  *
- * Converts a large integer to an unicode string.
+ * Converts a large integer to a unicode string.
  *
  * RETURNS
  *  Always returns str.
@@ -624,7 +624,7 @@ LPWSTR __cdecl _i64tow(
 /*********************************************************************
  *      _wtol    (NTDLL.@)
  *
- * Converts an unicode string to a long integer.
+ * Converts a unicode string to a long integer.
  *
  * PARAMS
  *  str [I] Wstring to be converted
@@ -665,7 +665,7 @@ LONG __cdecl _wtol( LPCWSTR str )
 /*********************************************************************
  *      _wtoi    (NTDLL.@)
  *
- * Converts an unicode string to an integer.
+ * Converts a unicode string to an integer.
  *
  * PARAMS
  *  str [I] Wstring to be converted
@@ -687,7 +687,7 @@ int __cdecl _wtoi( LPCWSTR str )
 /*********************************************************************
  *      _wtoi64   (NTDLL.@)
  *
- * Converts an unicode string to a large integer.
+ * Converts a unicode string to a large integer.
  *
  * PARAMS
  *  str [I] Wstring to be converted
diff --git a/dlls/shlwapi/ordinal.c b/dlls/shlwapi/ordinal.c
index 1d3d6419eca..495b444b9db 100644
--- a/dlls/shlwapi/ordinal.c
+++ b/dlls/shlwapi/ordinal.c
@@ -3718,7 +3718,7 @@ DWORD WINAPI SHSendMessageBroadcastW(UINT uMsg, WPARAM wParam, LPARAM lParam)
 /*************************************************************************
  *      @	[SHLWAPI.436]
  *
- * Convert an Unicode string CLSID into a CLSID.
+ * Convert a Unicode string CLSID into a CLSID.
  *
  * PARAMS
  *  idstr      [I]   string containing a CLSID in text form
diff --git a/dlls/winmm/mci.c b/dlls/winmm/mci.c
index cb58896fdee..d6ca7f0a953 100644
--- a/dlls/winmm/mci.c
+++ b/dlls/winmm/mci.c
@@ -1501,7 +1501,7 @@ BOOL WINAPI mciExecute(LPCSTR lpstrCommand)
 /**************************************************************************
  *                    	mciLoadCommandResource  		[WINMM.@]
  *
- * Strangely, this function only exists as an UNICODE one.
+ * Strangely, this function only exists as a UNICODE one.
  */
 UINT WINAPI mciLoadCommandResource(HINSTANCE hInst, LPCWSTR resNameW, UINT type)
 {
diff --git a/dlls/winspool.drv/info.c b/dlls/winspool.drv/info.c
index 3ac336d7667..179ad049f5b 100644
--- a/dlls/winspool.drv/info.c
+++ b/dlls/winspool.drv/info.c
@@ -2798,7 +2798,7 @@ static HKEY WINSPOOL_OpenDriverReg( LPCVOID pEnvironment, BOOL unicode)
 	  (unicode) ? debugstr_w(pEnvironment) : debugstr_a(pEnvironment), unicode);
 
     if (!pEnvironment || unicode) {
-        /* pEnvironment was NULL or an Unicode-String: use it direct */
+        /* pEnvironment was NULL or a Unicode-String: use it direct */
         env = validate_envW(pEnvironment);
     }
     else
diff --git a/include/xinput.h b/include/xinput.h
index 7ec5e6995f8..46fd0acba2e 100644
--- a/include/xinput.h
+++ b/include/xinput.h
@@ -189,7 +189,7 @@ typedef struct _XINPUT_VIBRATION {
 /*
  * Defines the structure for what kind of abilities the joystick has
  * such abilites are things such as if the joystick has the ability
- * to send and recieve audio, if the joystick is infact a driving
+ * to send and receive audio, if the joystick is infact a driving
  * wheel or perhaps if the joystick is some kind of dance pad or
  * guitar.
  */
diff --git a/programs/winedbg/winedbg.man.in b/programs/winedbg/winedbg.man.in
index 953b547bde7..3fcc8abb4a9 100644
--- a/programs/winedbg/winedbg.man.in
+++ b/programs/winedbg/winedbg.man.in
@@ -296,7 +296,7 @@ can be:
 .IP s
 an ASCII string
 .IP u
-an Unicode UTF16 string
+a UTF16 Unicode string
 .IP i
 instructions (disassemble)
 .IP x