[#3696] Fixed old typos

2 files changed, 3 insertions, 3 deletions

diff --git a/src/lib/process/d_process.h b/src/lib/process/d_process.h
index 2a35d8361b..c1efa45751 100644
--- a/src/lib/process/d_process.h
+++ b/src/lib/process/d_process.h
@@ -83,7 +83,7 @@ public:
     /// @param cfg_mgr the configuration manager instance that handles
     /// configuration parsing.
     ///
-    /// @throw DProcessBaseError is io_service is NULL.
+    /// @throw DProcessBaseError if io_service is null.
     DProcessBase(const char* app_name, asiolink::IOServicePtr io_service,
                  DCfgMgrBasePtr cfg_mgr)
         : app_name_(app_name), io_service_(io_service), shut_down_flag_(false),
diff --git a/src/lib/process/testutils/d_test_stubs.h b/src/lib/process/testutils/d_test_stubs.h
index 9881ee4dca..159e925ba2 100644
--- a/src/lib/process/testutils/d_test_stubs.h
+++ b/src/lib/process/testutils/d_test_stubs.h
@@ -109,7 +109,7 @@ public:
     /// @param io_service is the io_service used by the caller for
     /// asynchronous event handling.
     ///
-    /// @throw DProcessBaseError is io_service is NULL.
+    /// @throw DProcessBaseError if io_service is null.
     DStubProcess(const char* name, asiolink::IOServicePtr io_service);
 
     /// @brief Invoked after process instantiation to perform initialization.
@@ -237,7 +237,7 @@ protected:
     /// ftCreateProcessException OR ftCreateProcessNull.
     ///
     /// @return returns a pointer to the new process instance (DProcessBase*)
-    /// or NULL if SimFailure is set to ftCreateProcessNull.
+    /// or null if SimFailure is set to ftCreateProcessNull.
     /// @throw throws std::runtime_error if SimFailure is set to
     /// ftCreateProcessException.
     virtual DProcessBase* createProcess();