diff --git a/doc/files/getgravity2d.txt b/doc/files/getgravity2d.txt
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+++ b/doc/files/getgravity2d.txt
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+#title GetGravity2D [RCBasic Doc]
+#header sub GetGravity2D(ByRef x, ByRef y)
+
+Use this function for retrieving the global gravity vector. A sprite canvas layer must be open.
+
+#ref SetGravity2D
diff --git a/doc/files/setgravity2d.txt b/doc/files/setgravity2d.txt
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+++ b/doc/files/setgravity2d.txt
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+#title SetGravity2D [RCBasic Doc]
+#header sub SetGravity2D(x, y)
+
+Use this function for setting the global gravity vector. A sprite canvas layer must be active.
+
+#ref GetGravity2D