Update hello_animation.adoc

src/docs/asciidoc/jme3/beginner/hello_animation.adoc

@@ -165,7 +165,7 @@ This line of code will return NULL if the AnimeControl is not in the main node o
 control = player.getControl(AnimControl.class);
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-To check this, btn:[RMB] select your model and click `"Edit in SceneComposer"` if the models file extension ends in .j3o, or `"View"` if not. You can then see the tree for the model so you can locate the node the control resides in. You can access the subnode with the following code.
+To check this, btn:[RMB] select your model and click `"Edit in SceneComposer"` if the models file extension is .j3o, or `"View"` if not. You can then see the tree for the model so you can locate the node the control resides in. You can access the subnode with the following code.
 
 [source,java]
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