fix typo in docs

doc/hyperfine.1

@@ -131,7 +131,7 @@ Execute \fICMD\fP after the completion of all benchmarking runs for each individ
 command to be benchmarked. This is useful if the commands to be benchmarked
 produce artifacts that need to be cleaned up. It only runs once a series of
 benchmark runs, as opposed to \fB\-\-conclude\fR option which runs after
-ever run.
+every run.
 .HP
 \fB\-P\fR, \fB\-\-parameter\-scan\fR \fIVAR\fP \fIMIN\fP \fIMAX\fP
 .IP