diff --git a/dlls/advapi32/security.c b/dlls/advapi32/security.c
index bd2ac0679e5..4fdbb54eb0d 100644
--- a/dlls/advapi32/security.c
+++ b/dlls/advapi32/security.c
@@ -130,8 +130,8 @@ static const WELLKNOWNSID WellKnownSids[] =
     { {0,0}, WinBuiltinDCOMUsersSid, { SID_REVISION, 2, { SECURITY_NT_AUTHORITY }, { SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_ALIAS_RID_DCOM_USERS } } },
 };
 
-/* these SIDs must be constructed as relative to some domain - only the RID is well-kown */
-typedef struct WELLKOWNRID
+/* these SIDs must be constructed as relative to some domain - only the RID is well-known */
+typedef struct WELLKNOWNRID
 {
     WELL_KNOWN_SID_TYPE Type;
     DWORD Rid;
diff --git a/dlls/kernel32/tests/loader.c b/dlls/kernel32/tests/loader.c
index 8f425da92ff..363c2fdf254 100644
--- a/dlls/kernel32/tests/loader.c
+++ b/dlls/kernel32/tests/loader.c
@@ -147,7 +147,7 @@ START_TEST(loader)
           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x200, 0x1000,
           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER) + 0x1000,
           sizeof(dos_header) + sizeof(nt_header) + sizeof(IMAGE_SECTION_HEADER),
-          ERROR_BAD_EXE_FORMAT /* XP doesn't like aligments */
+          ERROR_BAD_EXE_FORMAT /* XP doesn't like alignments */
         },
         { &dos_header, sizeof(dos_header),
           1, sizeof(IMAGE_OPTIONAL_HEADER), 0x1000, 0x200,
diff --git a/dlls/shell32/dialogs.c b/dlls/shell32/dialogs.c
index 76c3d6e9360..f972cfced49 100644
--- a/dlls/shell32/dialogs.c
+++ b/dlls/shell32/dialogs.c
@@ -390,7 +390,7 @@ int WINAPI RestartDialogEx(HWND hWndOwner, LPCWSTR lpwstrReason, DWORD uFlags, D
         HANDLE hToken;
         TOKEN_PRIVILEGES npr;
 
-        /* enable shutdown privilege for current process */
+        /* enable the shutdown privilege for the current process */
         if (OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES, &hToken))
         {
             LookupPrivilegeValueA(0, "SeShutdownPrivilege", &npr.Privileges[0].Luid);
diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index adfaa9f868d..73fb0f69774 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -2537,7 +2537,7 @@ void pshader_glsl_texkill(SHADER_OPCODE_ARG* arg) {
         /* 2.0 shaders compare all 4 components in texkill */
         shader_addline(arg->buffer, "if (any(lessThan(%s.xyzw, vec4(0.0)))) discard;\n", dst_param.reg_name);
     } else {
-        /* 1.X shaders only compare the first 3 components, propably due to the nature of the texkill
+        /* 1.X shaders only compare the first 3 components, probably due to the nature of the texkill
          * instruction as a tex* instruction, and phase, which kills all a / w components. Even if all
          * 4 components are defined, only the first 3 are used
          */
diff --git a/tools/widl/widl.man.in b/tools/widl/widl.man.in
index 81c6e403ea5..df7d1c0724a 100644
--- a/tools/widl/widl.man.in
+++ b/tools/widl/widl.man.in
@@ -94,8 +94,8 @@ Do not preprocess input.
 .IP "\fB-W\fR"
 Enable pedantic warnings.
 .IP "\fB-d \fIn\fR"
-Set debug level to the nonnegative integer \fIn\fR.  If
-prefixed with \fB0x\fR, it will be interpretted as a hexidecimal
+Set debug level to the non negative integer \fIn\fR.  If
+prefixed with \fB0x\fR, it will be interpreted as an hexadecimal
 number.  For the meaning of values, see the \fBDebug\fR section.
 .PP
 .B Miscellaneous options: