doc/connectivity/networking/api/zperf: Fix typo

Just a typo

Signed-off-by: Alberto Escolar Piedras <alberto.escolar.piedras@nordicsemi.no>

Author: aescolar

doc/connectivity/networking/api/zperf.rst

@@ -13,7 +13,7 @@ Overview
 zperf is a shell utility which allows to generate network traffic in Zephyr. The
 tool may be used to evaluate network bandwidth.
 
-zperf is compatible with iPerf 2.0.10 and newer. For compatability with older versions,
+zperf is compatible with iPerf 2.0.10 and newer. For compatibility with older versions,
 enable :kconfig:option:`CONFIG_NET_ZPERF_LEGACY_HEADER_COMPAT`.
 
 zperf can be enabled in any application, a dedicated sample is also present