Spelling fixes

qkmaxware · Jul 16, 2020 · c8668d2 · c8668d2
1 parent bcc4b5f
commit c8668d2
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/docs/tutorials/03.Altering.md b/docs/tutorials/03.Altering.md
@@ -96,22 +96,22 @@ The subdivide modifier creates a new mesh in which each triangle has be sub-divi
 Boolean operations are a set of operations common in the field of computer aided design. There are several different modifier which are capable of performing boolean operations.
 
 #### Union
-the union modifier combines non-overlapping polygons from two operations into a new geometry. Besides being offered as a modifier, this operations can also be done with the `Union` method of the `Mesh` class, or by using the overloaded `+` operation.
+the union modifier combines non-overlapping polygons from two geometry into a new geometry. Besides being offered as a modifier, this operation can also be done with the `Union` method of the `Mesh` class, or by using the overloaded `+` operation.
 
 <div style="text-align: center">
     <img width="256" src="/Geometry/img/BooleanUnion.png"/>
 </div>
 
 #### Difference
-the difference modifier is used to cut geometry out of a mesh where it overlaps with another geometry. Besides being offered as a modifier, this operations can also be done using the `Difference` method of the `Mesh` class, or by using the overloaded `-` operation.
+the difference modifier is used to cut geometry out of a mesh where it overlaps with another geometry. Besides being offered as a modifier, this operation can also be done using the `Difference` method of the `Mesh` class, or by using the overloaded `-` operation.
 
 <div style="text-align: center">
     <img width="256" src="/Geometry/img/BooleanDifference.png"/>
 </div>
 
 
 #### Intersection
-The intersection modifier is used to save only the parts of a geometry where they overlaps with another geometry. Besides being offered as a modifier, this operations can also be done using the `Intersection` method of the `Mesh` class, or by using the overloaded `&` operation.
+The intersection modifier is used to save only the parts of a geometry where they overlaps with another geometry. Besides being offered as a modifier, this operation can also be done using the `Intersection` method of the `Mesh` class, or by using the overloaded `&` operation.
 
 <div style="text-align: center">
     <img width="256" src="/Geometry/img/BooleanIntersection.png"/>