Update index.html

Author: yimaeecs

Lecture-Slides/index.html

@@ -25,9 +25,9 @@ <h3> <font face="Arial,Helvetica"> by Yi Ma (for <a href="https://pages.github.b
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   <b> Guidelines</b>: The lectures are for a four-unit, one-semester, fourteen-week course, and each lecture is for one and a half hours. The lectures follow 
-  generally the same order of the book chapters. They are intentionally organized into several modules, so that it would be easier for future instructors to customize them to 
+  generally the same order of the book chapters. They are intentionally organized into several modules, so that future instructors can easily customize them to 
   courses with different focus, length, and depth. Please contact <a href="https://people.eecs.berkeley.edu/~yima/">Yi Ma</a> 
-  if any instructors like to obtain editable latex files of the slides for their lectures.
+  if any instructors like to obtain editable latex files of the slides for their own lectures.
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