content: fix typo in strings.article

Fix misspelling of "techniques" in "Strings, bytes, runes and characters
in Go" article.

Change-Id: Idcd0ce68ec3f2a7605db3f4d756d5b03ae7f190c
GitHub-Last-Rev: a30ee08eccc038b41eed9cc4a961eca38d1421cf
GitHub-Pull-Request: golang/blog#44
Reviewed-by: Bryan C. Mills <>
Run-TryBot: Bryan C. Mills <>
TryBot-Result: Go Bot <>
diff --git a/content/strings.article b/content/strings.article
index 81de1a5..4fb6f20 100644
--- a/content/strings.article
+++ b/content/strings.article
@@ -130,7 +130,7 @@
 	"\xbd\xb2=\xbc \u2318"
-These printing techiques are good to know when debugging
+These printing techniques are good to know when debugging
 the contents of strings, and will be handy in the discussion that follows.
 It's worth pointing out as well that all these methods behave exactly the
 same for byte slices as they do for strings.