fix various typos; thanks, George Yoshida!
(closes SF patch #952047)
diff --git a/Doc/lib/libregex.tex b/Doc/lib/libregex.tex
index 93c389a..0982f81 100644
--- a/Doc/lib/libregex.tex
+++ b/Doc/lib/libregex.tex
@@ -44,7 +44,7 @@
 E.g.\  to extract \LaTeX\ \samp{\e section\{\textrm{\ldots}\}} headers
 from a document, you can use this pattern:
 \code{'[\e ]section\{\e (.*\e )\}'}.  \emph{Another exception:}
-the escape sequece \samp{\e b} is significant in string literals
+the escape sequence \samp{\e b} is significant in string literals
 (where it means the ASCII bell character) as well as in Emacs regular
 expressions (where it stands for a word boundary), so in order to
 search for a word boundary, you should use the pattern \code{'\e \e b'}.