sub regl-splom -> regl-scattermatrix in comments

Author: etpinard

src/traces/splom/defaults.js

@@ -130,7 +130,7 @@ function handleAxisDefaults(traceIn, traceOut, layout, coerce) {
     }
 
     // build list of [x,y] axis corresponding to each dimensions[i],
-    // very useful for passing options to regl-scattermatrix
+    // very useful for passing options to regl-splom
     var diag = traceOut._diag = new Array(dimLength);
 
     // cases where showDiag and showLower or showUpper are false

src/traces/splom/index.js

@@ -181,7 +181,7 @@ function plotOne(gd, cd0) {
     if(cdata.length === 0) return;
 
     // augment options with proper upper/lower halves
-    // regl-scattermatrix's default grid starts from bottom-left
+    // regl-splom's default grid starts from bottom-left
     matrixOpts.lower = trace.showupperhalf;
     matrixOpts.upper = trace.showlowerhalf;
     matrixOpts.diagonal = trace.diagonal.visible;