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-rw-r--r--src/numeric.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/numeric.c b/src/numeric.c
index 8b6ec4c88..013273232 100644
--- a/src/numeric.c
+++ b/src/numeric.c
@@ -110,8 +110,8 @@ num_div(mrb_state *mrb, mrb_value x)
*
* Returns a string containing a representation of self. As well as a
* fixed or exponential form of the number, the call may return
- * ``<code>NaN</code>'', ``<code>Infinity</code>'', and
- * ``<code>-Infinity</code>''.
+ * "<code>NaN</code>", "<code>Infinity</code>", and
+ * "<code>-Infinity</code>".
*/
static mrb_value