typos c/equivelent/equivalent/

Author: Ed Costello

source/tutorial/aggregation-examples.txt

@@ -116,7 +116,7 @@ In the above example, the pipeline passes all documents in the
   which have the same format as the documents output by
   :agg:pipeline:`$group`.
 
-The equivelent :term:`SQL` for this operation is:
+The equivalent :term:`SQL` for this operation is:
 
 .. code-block:: sql
 
@@ -182,7 +182,7 @@ The final output of this aggregation operation is:
 
 .. Will uncomment this section when we get the SQL
 
-   The equivelent :term:`SQL` for this operation is:
+   The equivalent :term:`SQL` for this operation is:
 
    .. code-block:: sql
 
@@ -299,6 +299,6 @@ The final output of this aggregation operation is:
 
 .. will uncomment this block when we get the SQL
 
-   The equivelent :term:`SQL` for this operation is:
+   The equivalent :term:`SQL` for this operation is:
 
    .. code-block:: sql