_content/doc/comment: capitalization inconsistencies of unicode

In "unicode right quote", the capitalization of the word Unicode was inconsistent with other occurrences of the document.

Change-Id: Ib2c4a60e8ce39c81a1567078e9fc555c7b9dfbb2
GitHub-Last-Rev: 50238f14bf1fd53bf8e2d474ed9ff9132217c6ad
GitHub-Pull-Request: golang/website#184
Reviewed-on: https://go-review.googlesource.com/c/website/+/431197
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
diff --git a/_content/doc/comment.md b/_content/doc/comment.md
index 09aae14..f1e547c 100644
--- a/_content/doc/comment.md
+++ b/_content/doc/comment.md
@@ -500,7 +500,7 @@
 A pair of consecutive backticks (\` U+0060)
 is interpreted as a Unicode left quote (“ U+201C),
 and a pair of consecutive single quotes (\' U+0027)
-is interpreted as a unicode right quote (” U+201D).
+is interpreted as a Unicode right quote (” U+201D).
 
 Gofmt preserves line breaks in paragraph text: it does not rewrap the text.
 This allows the use of [semantic linefeeds](https://rhodesmill.org/brandon/2012/one-sentence-per-line/),