Minor text changes.

src/features/shapes/Epicycloid.js

@@ -20,7 +20,7 @@ export default class Epicycloid extends Shape {
     this.link = "http://mathworld.wolfram.com/Epicycloid.html"
     this.linkText = "Wolfram Mathworld"
     this.description =
-      "The clover shape is actually an epicycloid. Imagine two circles, with an outer circle rolling around an inner one. The path created by a point on the outer circle as it rolls is called an epicycloid."
+      "The clover shape is an epicycloid. Imagine two circles, with an outer circle rolling around an inner one. The path created by a point on the outer circle as it rolls is called an epicycloid."
   }
 
   getInitialState() {

src/features/shapes/Hypocycloid.js

@@ -20,7 +20,7 @@ export default class Star extends Shape {
     this.link = "http://mathworld.wolfram.com/Hypocycloid.html"
     this.linkText = "Wolfram Mathworld"
     this.description =
-      "The web shape is actually an hypocycloid. Imagine two circles, with an inner circle rolling around inside an outer one. The path created by a point on the inner circle as it rolls is called an hypocycloid."
+      "The web shape is a hypocycloid. Imagine two circles, with an inner circle rolling around inside an outer one. The path created by a point on the inner circle as it rolls is called a hypocycloid."
   }
 
   getInitialState() {

src/features/shapes/lsystem/LSystem.js

@@ -36,7 +36,7 @@ export default class LSystem extends Shape {
     this.link = "https://en.wikipedia.org/wiki/L-system"
     this.linkText = "Wikipedia"
     this.description =
-      "The fractal line writer shape is actually a Lindenmayer (or L) system. L-systems chain symbols together to specify instructions for moving in a 2d space (e.g., turn left or right, walk left or right). When applied recursively, they generate fractal-like patterns."
+      "The fractal line writer shape is a Lindenmayer (or L) system. L-systems chain symbols together to specify instructions for moving in a 2d space (e.g., turn left or right, walk left or right). When applied recursively, they generate fractal-like patterns."
   }
 
   getInitialState() {