diff --git a/doc/classes/ParticlesMaterial.xml b/doc/classes/ParticlesMaterial.xml
index ca79089049de..354b98485e5b 100644
--- a/doc/classes/ParticlesMaterial.xml
+++ b/doc/classes/ParticlesMaterial.xml
@@ -132,7 +132,7 @@
 			Orbital velocity randomness ratio. Default value: [code]0[/code].
 		</member>
 		<member name="radial_accel" type="float" setter="set_param" getter="get_param">
-			Linear acceleration applied to each particle.
+			Radial acceleration applied to each particle.
 		</member>
 		<member name="radial_accel_curve" type="Texture" setter="set_param_texture" getter="get_param_texture">
 			Each particle's radial acceleration will vary along this [CurveTexture].