diff --git a/src/platform/tests/TestConfigurationMgr.cpp b/src/platform/tests/TestConfigurationMgr.cpp
index 91dabe222f28fd..dafe5b209725a2 100644
--- a/src/platform/tests/TestConfigurationMgr.cpp
+++ b/src/platform/tests/TestConfigurationMgr.cpp
@@ -499,7 +499,7 @@ int TestConfigurationMgr()
 {
     nlTestSuite theSuite = { "ConfigurationMgr tests", &sTests[0], TestConfigurationMgr_Setup, TestConfigurationMgr_Teardown };
 
-    // Run test suit against one context.
+    // Run test suite against one context.
     nlTestRunner(&theSuite, nullptr);
     return nlTestRunnerStats(&theSuite);
 }
diff --git a/src/platform/tests/TestConnectivityMgr.cpp b/src/platform/tests/TestConnectivityMgr.cpp
index 6cf205737a330a..3a4548c43ef2a7 100644
--- a/src/platform/tests/TestConnectivityMgr.cpp
+++ b/src/platform/tests/TestConnectivityMgr.cpp
@@ -99,7 +99,7 @@ int TestConnectivityMgr()
 {
     nlTestSuite theSuite = { "ConfigurationMgr tests", &sTests[0], TestConnectivityMgr_Setup, TestConnectivityMgr_Teardown };
 
-    // Run test suit against one context.
+    // Run test suite against one context.
     nlTestRunner(&theSuite, nullptr);
     return nlTestRunnerStats(&theSuite);
 }
diff --git a/src/platform/tests/TestDnssd.cpp b/src/platform/tests/TestDnssd.cpp
index 63a6264afed455..a72b1b34dbce8d 100644
--- a/src/platform/tests/TestDnssd.cpp
+++ b/src/platform/tests/TestDnssd.cpp
@@ -198,7 +198,7 @@ int TestDnssd()
 {
     nlTestSuite theSuite = { "CHIP DeviceLayer mDNS tests", &sTests[0], TestDnssd_Setup, TestDnssd_Teardown };
 
-    // Run test suit against one context.
+    // Run test suite against one context.
     nlTestRunner(&theSuite, nullptr);
     return nlTestRunnerStats(&theSuite);
 }
diff --git a/src/platform/tests/TestKeyValueStoreMgr.cpp b/src/platform/tests/TestKeyValueStoreMgr.cpp
index f189493afe6956..33d70713730461 100644
--- a/src/platform/tests/TestKeyValueStoreMgr.cpp
+++ b/src/platform/tests/TestKeyValueStoreMgr.cpp
@@ -353,7 +353,7 @@ int TestKeyValueStoreMgr()
 {
     nlTestSuite theSuite = { "KeyValueStoreMgr tests", &sTests[0], TestKeyValueStoreMgr_Setup, TestKeyValueStoreMgr_Teardown };
 
-    // Run test suit against one context.
+    // Run test suite against one context.
     nlTestRunner(&theSuite, nullptr);
     return nlTestRunnerStats(&theSuite);
 }
diff --git a/src/platform/tests/TestPlatformMgr.cpp b/src/platform/tests/TestPlatformMgr.cpp
index 1e8b5741c70369..9d30b9e636e64a 100644
--- a/src/platform/tests/TestPlatformMgr.cpp
+++ b/src/platform/tests/TestPlatformMgr.cpp
@@ -247,7 +247,7 @@ int TestPlatformMgr()
 {
     nlTestSuite theSuite = { "PlatformMgr tests", &sTests[0], TestPlatformMgr_Setup, TestPlatformMgr_Teardown };
 
-    // Run test suit against one context.
+    // Run test suite against one context.
     nlTestRunner(&theSuite, nullptr);
     return nlTestRunnerStats(&theSuite);
 }
diff --git a/src/platform/tests/TestPlatformTime.cpp b/src/platform/tests/TestPlatformTime.cpp
index cca7db7e69c691..8c4e9b838e3dfe 100644
--- a/src/platform/tests/TestPlatformTime.cpp
+++ b/src/platform/tests/TestPlatformTime.cpp
@@ -125,7 +125,7 @@ int TestPlatformTime()
 {
     nlTestSuite theSuite = { "PlatformTime tests", &sTests[0], nullptr, nullptr };
 
-    // Run test suit against one context.
+    // Run test suite against one context.
     nlTestRunner(&theSuite, nullptr);
     return nlTestRunnerStats(&theSuite);
 }