doc/tutorial/basics: some documentation improvments

Change-Id: I9594d34547b11a38619b74001c42e35950feb6c4
diff --git a/doc/tutorial/basics/stringlit.md b/doc/tutorial/basics/stringlit.md
index 65a78e9..f5411e0 100644
--- a/doc/tutorial/basics/stringlit.md
+++ b/doc/tutorial/basics/stringlit.md
@@ -2,7 +2,7 @@
 
 # String Literals
 
-CUE stings allow a richer set of escape sequences.
+CUE strings allow a richer set of escape sequences than JSON.
 
 CUE also supports multi-line strings, enclosed by a pair of triple quotes `"""`.
 The opening quote must be followed by a newline.