fix broken space

docs/modules/core/pages/effect/effects_overview.adoc

@@ -158,9 +158,8 @@ image:light/light-sources.png[light-sources.png,width="150",height="100"]
 
 //*  link:{uri-jmonkeyengine}jme3-examples/src/main/java/jme3test/light/TestShadow.java[TestShadow.java] – BasicShadowRenderer. (SceneProcessor)
 //*  link:{uri-jmonkeyengine}jme3-examples/src/main/java/jme3test/light/TestPssmShadow.java[TestPssmShadow.java] – PssmShadowRenderer (SceneProcessor), also known as Parallel-Split Shadow Mapping (PSSM).
-*  link:{uri-jmonkeyengine}jme3-examples/src/main/java/jme3test/post/TestSSAO.java[TestSSAO.java] +
-link:{uri-jmonkeyengine}jme3-examples/src/main/java/jme3test/post/TestSSAO2.java[TestSSAO2.java] – SSAOFilter, also known as Screen-Space Ambient Occlusion shadows (SSOA).
-*  link:{uri-jmonkeyengine}jme3-examples/src/main/java/jme3test/post/TestTransparentSSAO.java[TestTransparentSSAO.java] – SSAOFilter, also known as Screen-Space Ambient Occlusion shadows (SSOA), plus transparancy.
+*  link:{uri-jmonkeyengine}jme3-examples/src/main/java/jme3test/post/TestSSAO.java[TestSSAO.java], link:{uri-jmonkeyengine}jme3-examples/src/main/java/jme3test/post/TestSSAO2.java[TestSSAO2.java] – SSAOFilter, also known as Screen-Space Ambient Occlusion shadows (SSOA).
+*  link:{uri-jmonkeyengine}jme3-examples/src/main/java/jme3test/post/TestTransparentSSAO.java[TestTransparentSSAO.java] – SSAOFilter, also known as Screen-Space Ambient Occlusion shadows (SSOA), plus transparancy.
 *  More details: xref:jme3/advanced/light_and_shadow.adoc[Light and Shadow]