Update snippet descriptions

snippets/camel.md

@@ -6,20 +6,22 @@ tags: string,regexp,intermediate
 Converts a string to camelcase.
 
 - Use `re.sub()` to replace any `-` or `_` with a space, using the regexp `r"(_|-)+"`.
-- Use `title()` to capitalize the first letter of each word convert the rest to lowercase.
-- Finally, use `replace()` to remove spaces between words.
+- Use `str.title()` to capitalize the first letter of each word and convert the rest to lowercase.
+- Finally, use `str.replace()` to remove spaces between words.
 
 ```py
 from re import sub
 
 def camel(s):
   s = sub(r"(_|-)+", " ", s).title().replace(" ", "")
-  return s[0].lower() + s[1:]
+  return ''.join([s[0].lower(), s[1:]])
 ```
 
 ```py
 camel('some_database_field_name') # 'someDatabaseFieldName'
-camel('Some label that needs to be camelized') # 'someLabelThatNeedsToBeCamelized'
+camel('Some label that needs to be camelized')
+# 'someLabelThatNeedsToBeCamelized'
 camel('some-javascript-property') # 'someJavascriptProperty'
-camel('some-mixed_string with spaces_underscores-and-hyphens') # 'someMixedStringWithSpacesUnderscoresAndHyphens'
+camel('some-mixed_string with spaces_underscores-and-hyphens')
+# 'someMixedStringWithSpacesUnderscoresAndHyphens'
 ```