diff --git a/man5/core.5 b/man5/core.5
index 582886cab..8a34ebf3c 100644
--- a/man5/core.5
+++ b/man5/core.5
@@ -240,7 +240,7 @@ Since kernel 2.6.19, Linux supports an alternate syntax for the
 file.
 If the first character of this file is a pipe symbol (\fB|\fP),
 then the remainder of the line is interpreted as the command-line for
-a a user-space program (or script) that is to be executed.
+a user-space program (or script) that is to be executed.
 Instead of being written to a disk file, the core dump is given as
 standard input to the program.
 Note the following points: