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-rw-r--r--src/sdf/ftsdf.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/sdf/ftsdf.c b/src/sdf/ftsdf.c
index d8479af10..0a43e9be6 100644
--- a/src/sdf/ftsdf.c
+++ b/src/sdf/ftsdf.c
@@ -2371,7 +2371,7 @@
* ```
*
* (6) Our task is to find a value of `t` such that the above equation
- * `Q(t)` becomes zero, this is, the point-to-curve vector makes
+ * `Q(t)` becomes zero, that is, the point-to-curve vector makes
* 90~degrees with the curve. We solve this with the Newton-Raphson
* method.
*
@@ -2684,7 +2684,7 @@
* ```
*
* (6) Our task is to find a value of `t` such that the above equation
- * `Q(t)` becomes zero, this is, the point-to-curve vector makes
+ * `Q(t)` becomes zero, that is, the point-to-curve vector makes
* 90~degree with curve. We solve this with the Newton-Raphson
* method.
*