docs typo

man/man8/fsslower.8

@@ -73,7 +73,7 @@ FILENAME
 A cached kernel file name (comes from dentry->d_iname).
 .SH OVERHEAD
 Depending on the frequency of application reads and writes, overhead can become
-serve, in the worst case slowing applications by 2x. In the best case, the
+severe, in the worst case slowing applications by 2x. In the best case, the
 overhead is negligible. Hopefully for real world workloads the overhead is
 often at the lower end of the spectrum -- test before use. The reason for
 high overhead is that this traces VFS reads and writes, which includes FS