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-rw-r--r--src/floatfns.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/floatfns.c b/src/floatfns.c
index 9049185307c..3199d572138 100644
--- a/src/floatfns.c
+++ b/src/floatfns.c
@@ -141,7 +141,7 @@ DEFUN ("tan", Ftan, Stan, 1, 1, 0,
}
DEFUN ("isnan", Fisnan, Sisnan, 1, 1, 0,
- doc: /* Return non nil if argument X is a NaN. */)
+ doc: /* Return non-nil if argument X is a NaN. */)
(Lisp_Object x)
{
CHECK_FLOAT (x);