spelling: exchange

diff --git a/src/bin/perfdhcp/command_options.h b/src/bin/perfdhcp/command_options.h
index 5d588b18939a28185ce993ab2636a5343e1e9b79..aaaede270e043d7fd840461a0339c36ef01b3a8f 100644 (file)
--- a/src/bin/perfdhcp/command_options.h
+++ b/src/bin/perfdhcp/command_options.h
@@ -145,7 +145,7 @@ public:
     /// \return type of lease being requested by perfdhcp.
     LeaseType getLeaseType() const { return (lease_type_); }
 
-    /// \brief Returns echange rate.
+    /// \brief Returns exchange rate.
     ///
     /// \return exchange rate per second.
     int getRate() const { return rate_; }