content: fix comments from CL 223598

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Change-Id: I5c6bf7923044c73b0c26b491f000bdaffba9b1a6
Reviewed-on: https://go-review.googlesource.com/c/blog/+/223917
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
diff --git a/content/go-brand.article b/content/go-brand.article
index 4e2d937..db2f3b6 100644
--- a/content/go-brand.article
+++ b/content/go-brand.article
@@ -1,7 +1,7 @@
 # Go's New Brand
 26 Apr 2018
 Tags: brand
-Summary: Go’s new look and logo (don't worry, the mascot isn't changing!).
+Summary: Go’s new look and logo (don't worry, the mascot isn’t changing!).
 
 Steve Francia
 
diff --git a/content/go1.4.article b/content/go1.4.article
index 69b77a8..85b4c0f 100644
--- a/content/go1.4.article
+++ b/content/go1.4.article
@@ -1,6 +1,6 @@
 # Go 1.4 is released
 10 Dec 2014
-Summary: Go 1.14 adds support for Android, go generate, optimizations, and more.
+Summary: Go 1.4 adds support for Android, go generate, optimizations, and more.
 
 Andrew Gerrand
 adg@golang.org
diff --git a/content/go1.5.article b/content/go1.5.article
index 0ef94ec..348eea8 100644
--- a/content/go1.5.article
+++ b/content/go1.5.article
@@ -1,6 +1,6 @@
 # Go 1.5 is released
 19 Aug 2015
-Summary: Go 1.15 adds a new, much faster garbage collector, more parallelism by default, go tool trace, and more.
+Summary: Go 1.5 adds a new, much faster garbage collector, more parallelism by default, go tool trace, and more.
 
 Andrew Gerrand
 adg@golang.org
diff --git a/content/gopherchina.article b/content/gopherchina.article
index 7b0c2aa..b680af8 100644
--- a/content/gopherchina.article
+++ b/content/gopherchina.article
@@ -1,7 +1,7 @@
 # GopherChina Trip Report
 1 Jul 2015
 Tags: community, china
-Summary: Reporting from GopherChina 2015, the first Go confrence in China.
+Summary: Reporting from GopherChina 2015, the first Go conference in China.
 
 Robert Griesemer
 gri@golang.org
diff --git a/content/new-talk-and-tutorials.article b/content/new-talk-and-tutorials.article
index cd1a8b3..4df0c47 100644
--- a/content/new-talk-and-tutorials.article
+++ b/content/new-talk-and-tutorials.article
@@ -1,6 +1,6 @@
 # New Talk and Tutorials
 5 May 2010
-Summary: More materials for learning about Go: one talk, one codelab and one screencast.
+Summary: More materials for learning about Go: one talk, one codelab, and one screencast.
 
 Andrew Gerrand