diff --git a/tools/make_unicode b/tools/make_unicode
index 1a9026b1324..a089e2324b4 100755
--- a/tools/make_unicode
+++ b/tools/make_unicode
@@ -1393,7 +1393,7 @@ sub dump_scripts($)
     print OUTPUT "/* generated from $UNIDATA/Scripts.txt */\n";
     print OUTPUT "/* DO NOT EDIT!! */\n\n";
 
-    # Inherited was consumed by Unknown, we don't need it as a separate enum memeber
+    # Inherited was consumed by Unknown, we don't need it as a separate enum member
     delete $scripts{"Inherited"};
     print OUTPUT "enum unicode_script_id {\n";
     foreach my $script (sort { $scripts{$a} <=> $scripts{$b} } keys %scripts)
diff --git a/tools/widl/typelib_struct.h b/tools/widl/typelib_struct.h
index 42faac8739f..0d9f8ebd53c 100644
--- a/tools/widl/typelib_struct.h
+++ b/tools/widl/typelib_struct.h
@@ -215,7 +215,7 @@ typedef struct {
 
 /* after this may follow an array with default value pointers if the
  * appropriate bit in the FKCCIC field has been set:
- * INT   oDefautlValue[nrargs];
+ * INT   oDefaultValue[nrargs];
  */
 
     /* Parameter info one per argument*/
diff --git a/tools/winebuild/utils.c b/tools/winebuild/utils.c
index 9308e83947a..6e01f1a5268 100644
--- a/tools/winebuild/utils.c
+++ b/tools/winebuild/utils.c
@@ -871,7 +871,7 @@ int get_cpu_from_name( const char *name )
  * align on an 8-byte boundary you'd say
  *     .align 3
  *
- * The reason gas is written this way is that it's trying to mimick
+ * The reason gas is written this way is that it's trying to mimic
  * native assemblers for the various architectures it runs on.  gas
  * provides other directives that work consistently across
  * architectures, but of course we want to work on all arches with or