diff --git a/hugegraph-commons/README.md b/hugegraph-commons/README.md
index 4ec2ebb5bb..7162e93137 100644
--- a/hugegraph-commons/README.md
+++ b/hugegraph-commons/README.md
@@ -13,7 +13,7 @@ numeric or collection util classes to simplify the development of HugeGraph and
 
 ## Components
 
-- Lock: atomic lock, key lock, lock group and lock manger
+- Lock: atomic lock, key lock, lock group and lock manager
 - Config: register and load config option with security check
 - Event: listening and notification, do something asynchronously
 - Iterator: some iterators with extra functions, map, filter, extend, etc.
diff --git a/hugegraph-commons/hugegraph-common/README.md b/hugegraph-commons/hugegraph-common/README.md
index 8614ba126b..bfeef03cd2 100644
--- a/hugegraph-commons/hugegraph-common/README.md
+++ b/hugegraph-commons/hugegraph-common/README.md
@@ -12,7 +12,7 @@ its components.
 
 ## Components
 
-- Lock: atomic lock, key lock, lock group and lock manger
+- Lock: atomic lock, key lock, lock group and lock manager
 - Config: register and load config option with security check
 - Event: listening and notification, do something asynchronously
 - Iterator: some iterators with extra functions, map, filter, extend, etc.
diff --git a/hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/auth/RolePermission.java b/hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/auth/RolePermission.java
index 834cbb569c..43ad50887d 100644
--- a/hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/auth/RolePermission.java
+++ b/hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/auth/RolePermission.java
@@ -82,7 +82,7 @@ public static RolePermission role(String graphSpace, String graph,
             perm.ordinal() >= HugePermission.READ.ordinal()) {
             role.add(graphSpace, graph, perm, HugeResource.ALL_RES);
         } else {
-            // if perm is not read, write, delete or excute, set resources null
+            // if perm is not read, write, delete or execute, set resources null
             role.add(graphSpace, graph, perm, null);
         }
         return role;
diff --git a/hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/memory/arbitrator/MemoryArbitratorImpl.java b/hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/memory/arbitrator/MemoryArbitratorImpl.java
index d8ce73afde..496b8ca9e3 100644
--- a/hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/memory/arbitrator/MemoryArbitratorImpl.java
+++ b/hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/memory/arbitrator/MemoryArbitratorImpl.java
@@ -55,7 +55,7 @@ public long reclaimGlobally(MemoryPool queryPool, long neededBytes) {
             if (memoryPool.equals(queryPool)) {
                 continue;
             }
-            LOG.info("Global reclaim triggerred by {} select {} to reclaim", queryPool,
+            LOG.info("Global reclaim triggered by {} select {} to reclaim", queryPool,
                      memoryPool);
             long res = memoryPool.tryToReclaimLocalMemory(currentNeededBytes, queryPool);
             totalReclaimedBytes += res;