diff --git a/src/activation.cpp b/src/activation.cpp
index 1ecfd47..e3f7eb9 100644
--- a/src/activation.cpp
+++ b/src/activation.cpp
@@ -139,7 +139,7 @@
 void Activation::onUpdateFailed()
 {
     // TODO: report an event
-    log<level::ERR>("Failed to udpate PSU",
+    log<level::ERR>("Failed to update PSU",
                     entry("PSU=%s", psuQueue.front().c_str()));
     std::queue<std::string>().swap(psuQueue); // Clear the queue
     activation(Status::Failed);
@@ -199,7 +199,7 @@
 
     // The progress to be increased for each successful update of PSU
     // E.g. in case we have 4 PSUs:
-    //   1. Initial progrss is 10
+    //   1. Initial progress is 10
     //   2. Add 20 after each update is done, so we will see progress to be 30,
     //      50, 70, 90
     //   3. When all PSUs are updated, it will be 100 and the interface is
diff --git a/src/activation.hpp b/src/activation.hpp
index fc32827..f30ba9f 100644
--- a/src/activation.hpp
+++ b/src/activation.hpp
@@ -222,7 +222,7 @@
     /** @brief Finish PSU update */
     void finishActivation();
 
-    /** @brief Check if the PSU is comaptible with this software*/
+    /** @brief Check if the PSU is compatible with this software*/
     bool isCompatible(const std::string& psuInventoryPath);
 
     /** @brief Store the updated PSU image to persistent dir */
diff --git a/src/item_updater.hpp b/src/item_updater.hpp
index b0e04eb..0ff2600 100644
--- a/src/item_updater.hpp
+++ b/src/item_updater.hpp
@@ -152,7 +152,7 @@
                          const std::string& psuVersion);
 
     /** @brief Remove Activation and Version object for PSU inventory
-     *  @details If the same version exists for mutliple PSUs, just remove
+     *  @details If the same version exists for multiple PSUs, just remove
      *           related association.
      *           If the version has no association, the Activation and
      *           Version object will be removed
diff --git a/test/test_item_updater.cpp b/test/test_item_updater.cpp
index 2fe1c86..e62b2a8 100644
--- a/test/test_item_updater.cpp
+++ b/test/test_item_updater.cpp
@@ -555,7 +555,7 @@
         .WillOnce(Return(true));
     itemUpdater->onUpdateDone(newVersionId, psu0);
 
-    // Now the activation should have one assoiation
+    // Now the activation should have one association
     assocs = activation->associations();
     EXPECT_EQ(1u, assocs.size());
     EXPECT_EQ(psu1, std::get<2>(assocs[0]));