Fix WmicCpuInfoProvider comment (#2042)

Fix documentation for wmic command used by WmicCpuInfoProvider

Author: msitt

src/BenchmarkDotNet/Portability/Cpu/WmicCpuInfoProvider.cs

@@ -5,7 +5,7 @@
 namespace BenchmarkDotNet.Portability.Cpu
 {
     /// <summary>
-    /// CPU information from output of the `wmic get Name, NumberOfCores, NumberOfLogicalProcessors /Format:List` command.
+    /// CPU information from output of the `wmic cpu get Name, NumberOfCores, NumberOfLogicalProcessors /Format:List` command.
     /// Windows only.
     /// </summary>
     internal static class WmicCpuInfoProvider
@@ -24,4 +24,4 @@ private static CpuInfo Load()
             return null;
         }
     }
-}
+}