docs(Icon): fix a typo (#3749)

Author: ablakey-locusrobotics

src/elements/Icon/Icon.d.ts

@@ -35,7 +35,7 @@ export interface StrictIconProps {
   /** Fitted, without space to left or right of Icon. */
   fitted?: boolean
 
-  /** Icon can flipped. */
+  /** Icon can be flipped. */
   flipped?: 'horizontally' | 'vertically'
 
   /** Formatted to have its colors inverted for contrast. */

src/elements/Icon/Icon.js

@@ -48,7 +48,7 @@ class Icon extends PureComponent {
     /** Fitted, without space to left or right of Icon. */
     fitted: PropTypes.bool,
 
-    /** Icon can flipped. */
+    /** Icon can be flipped. */
     flipped: PropTypes.oneOf(['horizontally', 'vertically']),
 
     /** Formatted to have its colors inverted for contrast. */