diff --git a/dlls/mshtml/tests/htmldoc.c b/dlls/mshtml/tests/htmldoc.c
index a8f1e30732c..6b77e5b26c7 100644
--- a/dlls/mshtml/tests/htmldoc.c
+++ b/dlls/mshtml/tests/htmldoc.c
@@ -3746,27 +3746,27 @@ static void test_QueryInterface(IUnknown *unk)
     qi = (void*)0xdeadbeef;
     hres = IUnknown_QueryInterface(unk, &IID_IRunnableObject, (void**)&qi);
     ok(hres == E_NOINTERFACE, "QueryInterface returned %08x, expected E_NOINTERFACE\n", hres);
-    ok(qi == NULL, "qirunnable=%p, ezpected NULL\n", qi);
+    ok(qi == NULL, "qirunnable=%p, expected NULL\n", qi);
 
     qi = (void*)0xdeadbeef;
     hres = IUnknown_QueryInterface(unk, &IID_IHTMLDOMNode, (void**)&qi);
     ok(hres == E_NOINTERFACE, "QueryInterface returned %08x, expected E_NOINTERFACE\n", hres);
-    ok(qi == NULL, "qi=%p, ezpected NULL\n", qi);
+    ok(qi == NULL, "qi=%p, expected NULL\n", qi);
 
     qi = (void*)0xdeadbeef;
     hres = IUnknown_QueryInterface(unk, &IID_IHTMLDOMNode2, (void**)&qi);
     ok(hres == E_NOINTERFACE, "QueryInterface returned %08x, expected E_NOINTERFACE\n", hres);
-    ok(qi == NULL, "qi=%p, ezpected NULL\n", qi);
+    ok(qi == NULL, "qi=%p, expected NULL\n", qi);
 
     qi = (void*)0xdeadbeef;
     hres = IUnknown_QueryInterface(unk, &IID_IPersistPropertyBag, (void**)&qi);
     ok(hres == E_NOINTERFACE, "QueryInterface returned %08x, expected E_NOINTERFACE\n", hres);
-    ok(qi == NULL, "qi=%p, ezpected NULL\n", qi);
+    ok(qi == NULL, "qi=%p, expected NULL\n", qi);
 
     qi = (void*)0xdeadbeef;
     hres = IUnknown_QueryInterface(unk, &IID_UndocumentedScriptIface, (void**)&qi);
     ok(hres == E_NOINTERFACE, "QueryInterface returned %08x, expected E_NOINTERFACE\n", hres);
-    ok(qi == NULL, "qi=%p, ezpected NULL\n", qi);
+    ok(qi == NULL, "qi=%p, expected NULL\n", qi);
 }
 
 static void init_test(enum load_state_t ls) {
diff --git a/dlls/mshtml/tests/protocol.c b/dlls/mshtml/tests/protocol.c
index c63034d28a5..36355bf36b0 100644
--- a/dlls/mshtml/tests/protocol.c
+++ b/dlls/mshtml/tests/protocol.c
@@ -368,7 +368,7 @@ static void test_res_protocol(void)
                 sizeof(buf)/sizeof(buf[0]), &size, 0);
         ok(hres == E_FAIL, "ParseUrl failed: %08x\n", hres);
         ok(buf[0] == '?', "buf changed\n");
-        ok(size == 1, "size=%u, ezpected 1\n", size);
+        ok(size == 1, "size=%u, expected 1\n", size);
 
         buf[0] = '?';
         hres = IInternetProtocolInfo_ParseUrl(protocol_info, blank_url, PARSE_DOMAIN, 0, buf,
@@ -664,7 +664,7 @@ static void test_about_protocol(void)
                 sizeof(buf)/sizeof(buf[0]), &size, 0);
         ok(hres == E_FAIL, "ParseUrl failed: %08x\n", hres);
         ok(buf[0] == '?', "buf changed\n");
-        ok(size == 1, "size=%u, ezpected 1\n", size);
+        ok(size == 1, "size=%u, expected 1\n", size);
 
         buf[0] = '?';
         hres = IInternetProtocolInfo_ParseUrl(protocol_info, about_blank_url, PARSE_DOMAIN, 0, buf,
diff --git a/dlls/ole32/tests/compobj.c b/dlls/ole32/tests/compobj.c
index b30e9396a39..714fca8d26b 100644
--- a/dlls/ole32/tests/compobj.c
+++ b/dlls/ole32/tests/compobj.c
@@ -199,12 +199,12 @@ static void test_StringFromGUID2(void)
   /* Test corner cases for buffer size */
   len = StringFromGUID2(&CLSID_StdFont,str,50);
   ok(len == 39, "len: %d (expected 39)\n", len);
-  ok(!lstrcmpiW(str, wszCLSID_StdFont),"string wan't equal for CLSID_StdFont\n");
+  ok(!lstrcmpiW(str, wszCLSID_StdFont),"string wasn't equal for CLSID_StdFont\n");
 
   memset(str,0,sizeof str);
   len = StringFromGUID2(&CLSID_StdFont,str,39);
   ok(len == 39, "len: %d (expected 39)\n", len);
-  ok(!lstrcmpiW(str, wszCLSID_StdFont),"string wan't equal for CLSID_StdFont\n");
+  ok(!lstrcmpiW(str, wszCLSID_StdFont),"string wasn't equal for CLSID_StdFont\n");
 
   len = StringFromGUID2(&CLSID_StdFont,str,38);
   ok(len == 0, "len: %d (expected 0)\n", len);
diff --git a/dlls/oleacc/tests/main.c b/dlls/oleacc/tests/main.c
index bd002944b0c..269c2f919d7 100644
--- a/dlls/oleacc/tests/main.c
+++ b/dlls/oleacc/tests/main.c
@@ -104,7 +104,7 @@ static void test_getroletext(void)
         CHAR buff2[100];
         WCHAR buff2W[100];
 
-        /* NT4 and W2K don't clear the buffer on a non existing role in the A-call */
+        /* NT4 and W2K don't clear the buffer on a nonexistent role in the A-call */
         memset(buff2, 0, sizeof(buff2));
 
         ret = GetRoleTextA(role, NULL, 0);
@@ -118,7 +118,7 @@ static void test_getroletext(void)
         ok(ret == lstrlenA(buff2),
            "GetRoleTextA: returned length doesn't match returned buffer for role %d\n", role);
 
-        /* Win98 and WinMe don't clear the buffer on a non existing role in the W-call */
+        /* Win98 and WinMe don't clear the buffer on a nonexistent role in the W-call */
         memset(buff2W, 0, sizeof(buff2W));
 
         ret = GetRoleTextW(role, NULL, 0);
diff --git a/dlls/user32/cursoricon.c b/dlls/user32/cursoricon.c
index d8543516611..b57ce2a72d0 100644
--- a/dlls/user32/cursoricon.c
+++ b/dlls/user32/cursoricon.c
@@ -1005,7 +1005,7 @@ static HCURSOR CURSORICON_CreateIconFromANI( const LPBYTE bits, DWORD bits_size,
      * cursors and then update user32 and winex11.drv to load all frames.
      *
      * Hopefully this will at least make some games (C&C3, etc.) more playable
-     * in the mean time.
+     * in the meantime.
      */
     FIXME("Loading all frames for .ani cursors not implemented.\n");
     icon_data = fram_chunk.data + (2 * sizeof(DWORD));
diff --git a/include/commctrl.rh b/include/commctrl.rh
index 1f41cdbedd4..b958a791a64 100644
--- a/include/commctrl.rh
+++ b/include/commctrl.rh
@@ -164,7 +164,7 @@
 #define ACS_AUTOPLAY        0x0004
 #define ACS_TIMER           0x0008
 
-/* Month Calender Control */
+/* Month Calendar Control */
 #define MCS_DAYSTATE        0x0001
 #define MCS_MULTISELECT     0x0002
 #define MCS_WEEKNUMBERS     0x0004
diff --git a/programs/regedit/regproc.c b/programs/regedit/regproc.c
index 2cfa0923662..c070ab0815a 100644
--- a/programs/regedit/regproc.c
+++ b/programs/regedit/regproc.c
@@ -67,7 +67,7 @@ if (!(p)) \
 }
 
 /******************************************************************************
- * Allocates memory and convers input from multibyte to wide chars
+ * Allocates memory and converts input from multibyte to wide chars
  * Returned string must be freed by the caller
  */
 WCHAR* GetWideString(const char* strA)
@@ -86,7 +86,7 @@ WCHAR* GetWideString(const char* strA)
 }
 
 /******************************************************************************
- * Allocates memory and convers input from multibyte to wide chars
+ * Allocates memory and converts input from multibyte to wide chars
  * Returned string must be freed by the caller
  */
 WCHAR* GetWideStringN(const char* strA, int chars, DWORD *len)
@@ -106,7 +106,7 @@ WCHAR* GetWideStringN(const char* strA, int chars, DWORD *len)
 }
 
 /******************************************************************************
- * Allocates memory and convers input from wide chars to multibyte
+ * Allocates memory and converts input from wide chars to multibyte
  * Returned string must be freed by the caller
  */
 char* GetMultiByteString(const WCHAR* strW)
@@ -125,7 +125,7 @@ char* GetMultiByteString(const WCHAR* strW)
 }
 
 /******************************************************************************
- * Allocates memory and convers input from wide chars to multibyte
+ * Allocates memory and converts input from wide chars to multibyte
  * Returned string must be freed by the caller
  */
 char* GetMultiByteStringN(const WCHAR* strW, int chars, DWORD* len)