Update README.md

Fix bug in readme which causes execution to fail

README.md

@@ -29,17 +29,17 @@ Change the link text to 'read more' and 'read less' overriding default value 'mo
 Override default display 100 characters and hide text above 50 characters.
 
 	$(element).shorten({
-		showChars: '50',
+		showChars: 50,
 	});
 
 Parameters
 ----------
 You can change the behaviour by changing following js variables.
 
 * `showChar`: Total characters to show to user. If the content is more then showChar, it will be split into two halves and first one will be showed to user.
-* `ellipsesText`: The text displayed before “more” link. Default is “…”
-* `moreText`: The text shown in more link. Default is “more”. You can change to ">>" or "read more"
-* `lessText`: The text shown in less link. Default is “less”. You can change to "<<" or "read less"
+* `ellipsesText`: The text displayed before “more” link. Default is “…”
+* `moreText`: The text shown in more link. Default is “more”. You can change to ">>" or "read more"
+* `lessText`: The text shown in less link. Default is “less”. You can change to "<<" or "read less"
 
 
 Licence
@@ -65,4 +65,4 @@ Licence
 	NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 	LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 	OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-	WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+	WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.