Update README.md

README.md

@@ -9,7 +9,7 @@ This app provide access to attendance, profile and other data to NSUT students t
 - Faculty's Time Table
 - Cache data for later use, in case ims website is down.
 
-<sub>*: sometime rarely the captcha might not autofill, it will prompt you to solve it manually.
+<sub>*sometime rarely the captcha might not autofill, it will prompt you to solve it manually.
 
 # Screenshots
 <p float="left">