diff --git a/dlls/advapi32/eventlog.c b/dlls/advapi32/eventlog.c
index af377ee617d..d336f746c13 100644
--- a/dlls/advapi32/eventlog.c
+++ b/dlls/advapi32/eventlog.c
@@ -490,7 +490,7 @@ HANDLE WINAPI OpenEventLogW( LPCWSTR uncname, LPCWSTR source )
 /******************************************************************************
  * QueryAllTracesW [ADVAPI32.@]
  *
- * Query informations for started event trace sessions
+ * Query information for started event trace sessions
  *
  */
 ULONG WINAPI QueryAllTracesW( PEVENT_TRACE_PROPERTIES * parray, ULONG arraycount, PULONG psessioncount )
diff --git a/dlls/advapi32/tests/eventlog.c b/dlls/advapi32/tests/eventlog.c
index 702fc43e32b..e5b03702567 100644
--- a/dlls/advapi32/tests/eventlog.c
+++ b/dlls/advapi32/tests/eventlog.c
@@ -155,7 +155,7 @@ static void test_info(void)
     efi.dwFull = 0xdeadbeef;
     needed *= 2;
     ret = pGetEventLogInformation(handle, EVENTLOG_FULL_INFO, (LPVOID)&efi, needed, &needed);
-    ok(ret, "Expected succes\n");
+    ok(ret, "Expected success\n");
     ok(needed == sizeof(EVENTLOG_FULL_INFORMATION), "Expected sizeof(EVENTLOG_FULL_INFORMATION), got %d\n", needed);
     ok(efi.dwFull == 0 || efi.dwFull == 1, "Expected 0 (not full) or 1 (full), got %d\n", efi.dwFull);
 
@@ -190,7 +190,7 @@ static void test_count(void)
 
     count = 0xdeadbeef;
     ret = GetNumberOfEventLogRecords(handle, &count);
-    ok(ret, "Expected succes\n");
+    ok(ret, "Expected success\n");
     ok(count != 0xdeadbeef, "Expected the number of records\n");
 
     CloseEventLog(handle);
@@ -207,7 +207,7 @@ static void test_count(void)
     ret = GetNumberOfEventLogRecords(handle, &count);
     todo_wine
     {
-    ok(ret, "Expected succes\n");
+    ok(ret, "Expected success\n");
     ok(count != 0xdeadbeef, "Expected the number of records\n");
     }
 
@@ -243,7 +243,7 @@ static void test_oldest(void)
 
     oldest = 0xdeadbeef;
     ret = GetOldestEventLogRecord(handle, &oldest);
-    ok(ret, "Expected succes\n");
+    ok(ret, "Expected success\n");
     ok(oldest != 0xdeadbeef, "Expected the number of the oldest record\n");
 
     CloseEventLog(handle);
@@ -260,7 +260,7 @@ static void test_oldest(void)
     ret = GetOldestEventLogRecord(handle, &oldest);
     todo_wine
     {
-    ok(ret, "Expected succes\n");
+    ok(ret, "Expected success\n");
     ok(oldest != 0xdeadbeef, "Expected the number of the oldest record\n");
     }
 
@@ -293,7 +293,7 @@ static void test_backup(void)
     ok(GetLastError() == ERROR_INVALID_PARAMETER, "Expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
 
     ret = BackupEventLogA(handle, backup);
-    ok(ret, "Expected succes\n");
+    ok(ret, "Expected success\n");
     todo_wine
     ok(GetFileAttributesA(backup) != INVALID_FILE_ATTRIBUTES, "Expected a backup file\n");
 
@@ -316,7 +316,7 @@ static void test_backup(void)
     ret = BackupEventLogA(handle, backup2);
     todo_wine
     {
-    ok(ret, "Expected succes\n");
+    ok(ret, "Expected success\n");
     ok(GetFileAttributesA(backup2) != INVALID_FILE_ATTRIBUTES, "Expected a backup file\n");
     }
 
@@ -463,7 +463,7 @@ static void test_read(void)
     read = needed = 0xdeadbeef;
     SetLastError(0xdeadbeef);
     ret = ReadEventLogA(handle, EVENTLOG_SEQUENTIAL_READ | EVENTLOG_FORWARDS_READ, 0, buf, toread, &read, &needed);
-    ok(ret, "Expected succes\n");
+    ok(ret, "Expected success\n");
     ok(read == toread ||
        broken(read < toread), /* NT4 wants a buffer size way bigger than just 1 record */
        "Expected the requested size to be read\n");
diff --git a/dlls/d3dxof/tests/d3dxof.c b/dlls/d3dxof/tests/d3dxof.c
index 9f1295f28e3..dd1abca27e5 100644
--- a/dlls/d3dxof/tests/d3dxof.c
+++ b/dlls/d3dxof/tests/d3dxof.c
@@ -177,8 +177,8 @@ static void test_CreateEnumObject(void)
     hr = IDirectXFileData_GetData(lpdxfd, NULL, &size, (void**)&pdata);
     ok(hr == DXFILE_OK, "IDirectXFileData_GetData: %x\n", hr);
 
-    ok(size == 8, "Retreived data size is wrong\n");
-    ok((*((WORD*)pdata) == 1) && (*((WORD*)(pdata+2)) == 2) && (*((DWORD*)(pdata+4)) == 3), "Retreived data is wrong\n");
+    ok(size == 8, "Retrieved data size is wrong\n");
+    ok((*((WORD*)pdata) == 1) && (*((WORD*)(pdata+2)) == 2) && (*((DWORD*)(pdata+4)) == 3), "Retrieved data is wrong\n");
 
     ref = IDirectXFileEnumObject_Release(lpdxfeo);
     ok(ref == 0, "Got refcount %d, expected 0\n", ref);
diff --git a/dlls/kernel32/tests/format_msg.c b/dlls/kernel32/tests/format_msg.c
index dbd7fc7491c..822667ccd24 100644
--- a/dlls/kernel32/tests/format_msg.c
+++ b/dlls/kernel32/tests/format_msg.c
@@ -680,7 +680,7 @@ static void test_message_from_hmodule(void)
                          MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL), out, sizeof(out)/sizeof(CHAR), NULL);
     ok(ret != 0, "FormatMessageA returned 0\n");
 
-    /*Test non existing messageID with varying language ID's Note: FormatMessageW behaves the same*/
+    /*Test nonexistent messageID with varying language ID's Note: FormatMessageW behaves the same*/
     SetLastError(0xdeadbeef);
     ret = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_FROM_HMODULE, h, 3044,
                          MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL), out, sizeof(out)/sizeof(CHAR), NULL);
diff --git a/dlls/shell32/tests/progman_dde.c b/dlls/shell32/tests/progman_dde.c
index 911bb37197a..36ce835b90e 100644
--- a/dlls/shell32/tests/progman_dde.c
+++ b/dlls/shell32/tests/progman_dde.c
@@ -191,7 +191,7 @@ static void DdeExecuteCommand(DWORD instance, HCONV hConv, const char *strCmd, H
 /*
  * Check if Window is onscreen with the appropriate name.
  *
- * Windows are not created syncronously.  So we do not know
+ * Windows are not created synchronously.  So we do not know
  * when and if the window will be created/shown on screen.
  * This function implements a polling mechanism to determine
  * creation.
diff --git a/dlls/winex11.drv/xfont.c b/dlls/winex11.drv/xfont.c
index 5e160cc55a4..a45a3a3a1e4 100644
--- a/dlls/winex11.drv/xfont.c
+++ b/dlls/winex11.drv/xfont.c
@@ -1852,7 +1852,7 @@ static char* XFONT_UserMetricsCache( char* buffer, int* buf_size )
     **
     **  - on Red Hat systems, DISPLAY is commonly set to one of
     **    either 'unix:0.0' or ':0' or ':0.0'.
-    **  - on MacOS X systems, DISPLAY is commonly set to
+    **  - on Mac OS X systems, DISPLAY is commonly set to
     **    /tmp/foo/:0
     **
     **  after this code, all of the above will resolve to ':0.0'.