[canvaskit] Tweak matrix benchmarks

Change-Id: Id75580debf87b2c88cfb4c8b052367bffdac8d56
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/281210
Reviewed-by: Mike Reed <reed@google.com>
diff --git a/modules/canvaskit/interface.js b/modules/canvaskit/interface.js
index 21fc210..a65af74 100644
--- a/modules/canvaskit/interface.js
+++ b/modules/canvaskit/interface.js
@@ -107,7 +107,7 @@
 
   function isnumber(val) { return val !== NaN; };
 
-  // gereralized iterative algorithm for multiplying two matrices.
+  // generalized iterative algorithm for multiplying two matrices.
   function multiply(m1, m2, size) {
 
     if (skIsDebug && (!m1.every(isnumber) || !m2.every(isnumber))) {