diff --git a/platform-mc/test/platform_manager_test.cpp b/platform-mc/test/platform_manager_test.cpp
index 73baa1a..0d66a0b 100644
--- a/platform-mc/test/platform_manager_test.cpp
+++ b/platform-mc/test/platform_manager_test.cpp
@@ -170,7 +170,7 @@
             0x1,
             0x0,  // Entity instance number =1
             0,
-            0,    // Overal system
+            0,    // Overall system
             0,    // shared Name Count one name only
             01,   // nameStringCount
             0x65, 0x6e, 0x00,
@@ -329,7 +329,7 @@
             0x1,
             0x0,  // Entity instance number =1
             0,
-            0,    // Overal system
+            0,    // Overall system
             0,    // shared Name Count one name only
             01,   // nameStringCount
             0x65, 0x6e, 0x00,
diff --git a/platform-mc/test/sensor_manager_test.cpp b/platform-mc/test/sensor_manager_test.cpp
index 65505fb..59a120b 100644
--- a/platform-mc/test/sensor_manager_test.cpp
+++ b/platform-mc/test/sensor_manager_test.cpp
@@ -138,7 +138,7 @@
         0x1,
         0x0,  // Entity instance number =1
         0,
-        0,    // Overal system
+        0,    // Overall system
         0,    // shared Name Count one name only
         01,   // nameStringCount
         0x65, 0x6e, 0x00,
diff --git a/platform-mc/test/terminus_test.cpp b/platform-mc/test/terminus_test.cpp
index 0baa8b7..609deed 100644
--- a/platform-mc/test/terminus_test.cpp
+++ b/platform-mc/test/terminus_test.cpp
@@ -78,7 +78,7 @@
         0x1,
         0x0,  // Entity instance number =1
         0,
-        0,    // Overal system
+        0,    // Overall system
         0,    // shared Name Count one name only
         01,   // nameStringCount
         0x65, 0x6e, 0x00,
@@ -193,7 +193,7 @@
         0x1,
         0x0,  // Entity instance number =1
         0,
-        0,    // Overal system
+        0,    // Overall system
         0,    // shared Name Count one name only
         01,   // nameStringCount
         0x65, 0x6e, 0x00,
@@ -313,7 +313,7 @@
         0x1,
         0x0,  // Entity instance number =1
         0,
-        0,    // Overal system
+        0,    // Overall system
         0,    // shared Name Count one name only
         01,   // nameStringCount
         0x65, 0x6e, 0x00,
@@ -367,7 +367,7 @@
         0x1,
         0x0,  // Entity instance number =1
         0,
-        0,    // Overal system
+        0,    // Overall system
         0,    // shared Name Count one name only
         01,   // nameStringCount
         0x65, 0x6e, 0x00,