diff --git a/source/precalculus/source/05-EL/01.ptx b/source/precalculus/source/05-EL/01.ptx
index a2dce68e3..06b6f50ea 100644
--- a/source/precalculus/source/05-EL/01.ptx
+++ b/source/precalculus/source/05-EL/01.ptx
@@ -294,7 +294,7 @@
           <me>
             f(x)=ab^{x}
           </me>
-          <m>a</m> is the initial value and <m>b</m> is the base.
+          where <m>a</m> is the initial value and <m>b</m> is the base.
   
         </p>
       </statement>
@@ -967,4 +967,4 @@
         <title>Videos</title>
         <p>It would be great to include videos down here, like in the Calculus book!</p>
     </subsection> -->
-</section>
\ No newline at end of file
+</section>