Fix a few tiny typos in ExpressionDecomposer javadoc.
@@ -705,10 +705,10 @@ class ExpressionDecomposer {
* 1) There must be a location to inject a statement for the expression. For
* example, this condition can not be met if the expression is a loop
* condition or CASE condition.
- * 2) If the expression can be affect by side-effects, there can not be a
+ * 2) If the expression can be affected by side-effects, there can not be a
* side-effect between original location and the expression root.
* 3) If the expression has side-effects, there can not be any other
- * expression that can be effected between the original location and the
+ * expression that can be affected between the original location and the
* expression root.
*
* An expression is DECOMPOSABLE if it can be rewritten so that an
