string.c: fix doc

* string.c (rb_str_concat): [DOC] fix the indefinite article, for
  replacement from Fixnum to Integer.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54881 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/string.c b/string.c
index 442776c85c..a22505f592 100644
--- a/string.c
+++ b/string.c
@@ -2728,7 +2728,7 @@ rb_str_concat_literals(size_t num, const VALUE *strary)
  *     str << obj           -> str
  *     str.concat(obj)      -> str
  *
- *  Append---Concatenates the given object to <i>str</i>. If the object is a
+ *  Append---Concatenates the given object to <i>str</i>. If the object is an
  *  <code>Integer</code>, it is considered as a codepoint, and is converted
  *  to a character before concatenation.
  *