Fix poor wording / typo in comment.

jquery.flot.js

@@ -1706,8 +1706,8 @@ Licensed under the MIT license.
             axis.tickDecimals = Math.max(0, maxDec != null ? maxDec : dec);
             axis.tickSize = opts.tickSize || size;
 
-            // Time mode was moved to a plug-in in 0.8, but since so many people use this
-            // we'll add an especially friendly make sure they remembered to include it.
+            // Time mode was moved to a plug-in in 0.8, and since so many people use it
+            // we'll add an especially friendly reminder to make sure they included it.
 
             if (opts.mode == "time" && !axis.tickGenerator) {
                 throw new Error("Time mode requires the flot.time plugin.");