diff --git a/doc/classes/SurfaceTool.xml b/doc/classes/SurfaceTool.xml
index d145b4ce97a..f5d83c0c46a 100644
--- a/doc/classes/SurfaceTool.xml
+++ b/doc/classes/SurfaceTool.xml
@@ -199,7 +199,7 @@
- Shrinks the vertex array by creating an index array (avoids reusing vertices).
+ Shrinks the vertex array by creating an index array. This can improve performance by avoiding vertex reuse.
@@ -214,7 +214,7 @@
- Specifies an array of bones for the next vertex to use. [code]bones[/code] must contain 4 integers.
+ Specifies an array of bones to use for the [i]next[/i] vertex. [code]bones[/code] must contain 4 integers.
@@ -223,7 +223,7 @@
- Specifies a [Color] for the next vertex to use.
+ Specifies a [Color] to use for the [i]next[/i] vertex. If every vertex needs to have this information set and you fail to submit it for the first vertex, this information may not be used at all.
[b]Note:[/b] The material must have [member BaseMaterial3D.vertex_color_use_as_albedo] enabled for the vertex color to be visible.
@@ -262,7 +262,7 @@
- Specifies a normal for the next vertex to use.
+ Specifies a normal to use for the [i]next[/i] vertex. If every vertex needs to have this information set and you fail to submit it for the first vertex, this information may not be used at all.
@@ -288,7 +288,7 @@
- Specifies a tangent for the next vertex to use.
+ Specifies a tangent to use for the [i]next[/i] vertex. If every vertex needs to have this information set and you fail to submit it for the first vertex, this information may not be used at all.
@@ -297,7 +297,7 @@
- Specifies a set of UV coordinates to use for the next vertex.
+ Specifies a set of UV coordinates to use for the [i]next[/i] vertex. If every vertex needs to have this information set and you fail to submit it for the first vertex, this information may not be used at all.
@@ -306,7 +306,7 @@
- Specifies an optional second set of UV coordinates to use for the next vertex.
+ Specifies an optional second set of UV coordinates to use for the [i]next[/i] vertex. If every vertex needs to have this information set and you fail to submit it for the first vertex, this information may not be used at all.
@@ -315,7 +315,7 @@
- Specifies weight values for next vertex to use. [code]weights[/code] must contain 4 values.
+ Specifies weight values to use for the [i]next[/i] vertex. [code]weights[/code] must contain 4 values. If every vertex needs to have this information set and you fail to submit it for the first vertex, this information may not be used at all.