diff --git a/dlls/winmm/mci.c b/dlls/winmm/mci.c
index 52d5402872f..b7b5ac29edf 100644
--- a/dlls/winmm/mci.c
+++ b/dlls/winmm/mci.c
@@ -873,7 +873,7 @@ static	DWORD	MCI_LoadMciDriver(LPCWSTR _strDevTyp, LPWINE_MCIDRIVER* lpwmd)
     wmd->CreatorThread = GetCurrentThreadId();
 
     EnterCriticalSection(&WINMM_cs);
-    /* wmd must be inserted in list before sending opening the driver, coz' it
+    /* wmd must be inserted in list before sending opening the driver, because it
      * may want to lookup at wDevID
      */
     wmd->lpNext = MciDrivers;
diff --git a/dlls/winmm/winmm.c b/dlls/winmm/winmm.c
index 1f3602c192c..4ecf34b9b02 100644
--- a/dlls/winmm/winmm.c
+++ b/dlls/winmm/winmm.c
@@ -453,7 +453,7 @@ UINT WINAPI mixerGetControlDetailsA(HMIXEROBJ hmix, LPMIXERCONTROLDETAILS lpmcdA
 
     switch (fdwDetails & MIXER_GETCONTROLDETAILSF_QUERYMASK) {
     case MIXER_GETCONTROLDETAILSF_VALUE:
-	/* can savely use A structure as it is, no string inside */
+	/* can safely use A structure as it is, no string inside */
 	ret = mixerGetControlDetailsW(hmix, lpmcdA, fdwDetails);
 	break;
     case MIXER_GETCONTROLDETAILSF_LISTTEXT:
@@ -887,7 +887,7 @@ UINT WINAPI midiOutGetErrorTextW(UINT uError, LPWSTR lpText, UINT uSize)
     if (lpText == NULL) ret = MMSYSERR_INVALPARAM;
     else if (uSize == 0) ret = MMSYSERR_NOERROR;
     else if (
-	       /* test has been removed 'coz MMSYSERR_BASE is 0, and gcc did emit
+	       /* test has been removed because MMSYSERR_BASE is 0, and gcc did emit
 		* a warning for the test was always true */
 	       (/*uError >= MMSYSERR_BASE && */ uError <= MMSYSERR_LASTERROR) ||
 	       (uError >= MIDIERR_BASE  && uError <= MIDIERR_LASTERROR)) {
@@ -1795,7 +1795,7 @@ MMRESULT MIDI_StreamOpen(HMIDISTRM* lphMidiStrm, LPUINT lpuDeviceID, DWORD cMidi
 	return MMSYSERR_NOMEM;
 
     lpMidiStrm->dwTempo = 500000;
-    lpMidiStrm->dwTimeDiv = 480; 	/* 480 is 120 quater notes per minute *//* FIXME ??*/
+    lpMidiStrm->dwTimeDiv = 480; 	/* 480 is 120 quarter notes per minute *//* FIXME ??*/
     lpMidiStrm->dwPositionMS = 0;
 
     mosm.dwStreamID = (DWORD)lpMidiStrm;
diff --git a/dlls/wldap32/ber.c b/dlls/wldap32/ber.c
index 159c12893ba..5615135f369 100644
--- a/dlls/wldap32/ber.c
+++ b/dlls/wldap32/ber.c
@@ -161,7 +161,7 @@ ULONG CDECL WLDAP32_ber_first_element( BerElement *berelement, ULONG *len, CHAR
  * Flatten a berelement structure into a berval structure.
  *
  * PARAMS
- *  berlement [I] Pointer to a berelement structure.
+ *  berelement [I] Pointer to a berelement structure.
  *  berval    [O] Pointer to a berval structure.
  *
  * RETURNS
@@ -187,7 +187,7 @@ INT CDECL WLDAP32_ber_flatten( BerElement *berelement, PBERVAL *berval )
  * Free a berelement structure.
  *
  * PARAMS
- *  berlement [I] Pointer to the berelement structure to be freed.
+ *  berelement [I] Pointer to the berelement structure to be freed.
  *  buf       [I] Flag.
  *
  * RETURNS
@@ -245,7 +245,7 @@ BerElement * CDECL WLDAP32_ber_init( BERVAL *berval )
  *  Failure: LBER_DEFAULT (no more data).
  *
  * NOTES
- *  len and cookie are intitialised by ber_first_element and should
+ *  len and cookie are initialized by ber_first_element and should
  *  be passed on in subsequent calls to ber_next_element.
  */
 ULONG CDECL WLDAP32_ber_next_element( BerElement *berelement, ULONG *len, CHAR *opaque )
diff --git a/dlls/wldap32/control.c b/dlls/wldap32/control.c
index bc606c9da71..b9caf7c0634 100644
--- a/dlls/wldap32/control.c
+++ b/dlls/wldap32/control.c
@@ -247,7 +247,7 @@ INT CDECL ldap_create_vlv_controlA( WLDAP32_LDAP *ld, WLDAP32_LDAPVLVInfo *info,
  *  Failure: An LDAP error code.
  *
  * NOTES
- *  Pass the created control in conjuction with a sort control as
+ *  Pass the created control in conjunction with a sort control as
  *  server controls in subsequent calls to ldap_search_ext(_s). The
  *  server will then return a sorted, contiguous subset of results
  *  that meets the criteria specified in the LDAPVLVInfo structure.
diff --git a/dlls/ws2_32/async.c b/dlls/ws2_32/async.c
index ef7be5f6b67..b9c745778f6 100644
--- a/dlls/ws2_32/async.c
+++ b/dlls/ws2_32/async.c
@@ -114,7 +114,7 @@
 WINE_DEFAULT_DEBUG_CHANNEL(winsock);
 
 
-/* critical section to protect some non-rentrant net function */
+/* critical section to protect some non-reentrant net function */
 CRITICAL_SECTION csWSgetXXXbyYYY;
 static CRITICAL_SECTION_DEBUG critsect_debug =
 {
diff --git a/dlls/ws2_32/socket.c b/dlls/ws2_32/socket.c
index 98eb2f90760..f82ecc549fc 100644
--- a/dlls/ws2_32/socket.c
+++ b/dlls/ws2_32/socket.c
@@ -155,7 +155,7 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(winsock);
 
-/* critical section to protect some non-rentrant net function */
+/* critical section to protect some non-reentrant net function */
 extern CRITICAL_SECTION csWSgetXXXbyYYY;
 
 union generic_unix_sockaddr
@@ -1958,7 +1958,7 @@ WS_u_short WINAPI WS_htons(WS_u_short hostshort)
 
 /***********************************************************************
  *		WSAHtonl		(WS2_32.46)
- *  From MSDN decription of error codes, this function should also
+ *  From MSDN description of error codes, this function should also
  *  check if WinSock has been initialized and the socket is a valid
  *  socket. But why? This function only translates a host byte order
  *  u_long into a network byte order u_long...
@@ -2940,10 +2940,10 @@ int WINAPI WS_setsockopt(SOCKET s, int level, int optname,
 #endif
 #if defined(SO_RCVTIMEO) || defined(SO_SNDTIMEO)
             if (optval && optlen == sizeof(UINT32)) {
-                /* WinSock passes miliseconds instead of struct timeval */
+                /* WinSock passes milliseconds instead of struct timeval */
                 tval.tv_usec = (*(const UINT32*)optval % 1000) * 1000;
                 tval.tv_sec = *(const UINT32*)optval / 1000;
-                /* min of 500 milisec */
+                /* min of 500 milliseconds */
                 if (tval.tv_sec == 0 && tval.tv_usec < 500000)
                     tval.tv_usec = 500000;
                 optlen = sizeof(struct timeval);
@@ -3968,7 +3968,7 @@ static int list_dup(char** l_src, char** l_to, int item_size)
 
 /* duplicate hostent entry
  * and handle all Win16/Win32 dependent things (struct size, ...) *correctly*.
- * Dito for protoent and servent.
+ * Ditto for protoent and servent.
  */
 static struct WS_hostent *WS_dup_he(const struct hostent* p_he)
 {
diff --git a/dlls/ws2_32/socket16.c b/dlls/ws2_32/socket16.c
index 6b3326367dd..b4b3fe871e1 100644
--- a/dlls/ws2_32/socket16.c
+++ b/dlls/ws2_32/socket16.c
@@ -132,7 +132,7 @@ static SEGPTR get_buffer_pe(int size)
 
 /* duplicate hostent entry
  * and handle all Win16/Win32 dependent things (struct size, ...) *correctly*.
- * Dito for protoent and servent.
+ * Ditto for protoent and servent.
  */
 static SEGPTR ws_hostent_32_to_16( const struct WS_hostent* he )
 {
diff --git a/dlls/ws2_32/tests/sock.c b/dlls/ws2_32/tests/sock.c
index 4446e7f9055..8dc1f12bfd9 100644
--- a/dlls/ws2_32/tests/sock.c
+++ b/dlls/ws2_32/tests/sock.c
@@ -238,7 +238,7 @@ static char* test_buffer ( char *buf, int chunk_size, int n_chunks )
 
 /*
  * This routine is called when a client / server does not expect any more data,
- * but needs to acknowedge the closing of the connection (by reasing 0 bytes).
+ * but needs to acknowledge the closing of the connection (by reading 0 bytes).
  */
 static void read_zero_bytes ( SOCKET s )
 {