diff --git a/core/mac/inc/sir_api.h b/core/mac/inc/sir_api.h
index 951cb46181af..c758d599b8f1 100644
--- a/core/mac/inc/sir_api.h
+++ b/core/mac/inc/sir_api.h
@@ -4846,7 +4846,7 @@ typedef struct {
 	uint32_t txMpdu;
 	/* number of received unicast mpdus */
 	uint32_t rxMpdu;
-	/* number of succesfully transmitted multicast data packets */
+	/* number of successfully transmitted multicast data packets */
 	/* STA case: implies ACK received from AP for the unicast */
 	/* packet in which mcast pkt was sent */
 	uint32_t txMcast;
diff --git a/core/mac/src/pe/lim/lim_ft_preauth.c b/core/mac/src/pe/lim/lim_ft_preauth.c
index 3f44970ac703..1f0543413432 100644
--- a/core/mac/src/pe/lim/lim_ft_preauth.c
+++ b/core/mac/src/pe/lim/lim_ft_preauth.c
@@ -785,7 +785,7 @@ void lim_preauth_scan_event_handler(tpAniSirGlobal mac_ctx,
 
 	case SIR_SCAN_EVENT_COMPLETED:
 		/*
-		 * Scan either completed succesfully or or got terminated
+		 * Scan either completed successfully or or got terminated
 		 * after successful auth, or timed out. Either way, STA
 		 * is back to home channel. Data traffic can continue.
 		 */
diff --git a/core/sme/src/csr/csr_api_roam.c b/core/sme/src/csr/csr_api_roam.c
index c39a5292b3a7..8ac26b56c28f 100644
--- a/core/sme/src/csr/csr_api_roam.c
+++ b/core/sme/src/csr/csr_api_roam.c
@@ -7549,7 +7549,7 @@ static inline void csr_process_fils_join_rsp(tpAniSirGlobal mac_ctx,
  * @cmd:              Command to be processed
  * @context:          Additional data in context of the cmd
  *
- * Process the join results which are obtained in a succesful join
+ * Process the join results which are obtained in a successful join
  *
  * Return: None
  */
@@ -9634,7 +9634,7 @@ static void csr_roam_join_rsp_processor(tpAniSirGlobal pMac,
 			 * gets enqueued and an associated timer for the SME
 			 * command timeout is started which is currently 120
 			 * seconds. This command would be dequeued only upon
-			 * succesfull connections. In case of join failures, if
+			 * successful connections. In case of join failures, if
 			 * there are too many BSS in the cache, and if we fail
 			 * Join requests with all of them, there is a chance of
 			 * timing out the above timer.
diff --git a/core/sme/src/qos/sme_qos.c b/core/sme/src/qos/sme_qos.c
index 7afabf9e9d23..00e22a353a17 100644
--- a/core/sme/src/qos/sme_qos.c
+++ b/core/sme/src/qos/sme_qos.c
@@ -696,7 +696,7 @@ enum sme_qos_statustype sme_qos_setup_req(tHalHandle hHal, uint32_t sessionId,
  *             been successful already
  *
  * This function should be called after a link has been established,
- * i.e. STA is associated with an AP etc. & a QoS setup has been succesful for
+ * i.e. STA is associated with an AP etc. & a QoS setup has been successful for
  * that flow. If the request involves admission control on the requested AC,
  * HDD needs to provide the necessary Traffic Specification (TSPEC) parameters &
  * SME might start the renegotiation process through ADDTS.
diff --git a/core/wma/src/wma_scan_roam.c b/core/wma/src/wma_scan_roam.c
index 585ede1fc821..cc1cc9f2c857 100644
--- a/core/wma/src/wma_scan_roam.c
+++ b/core/wma/src/wma_scan_roam.c
@@ -1143,7 +1143,7 @@ static QDF_STATUS wma_roam_scan_offload_ap_profile(tp_wma_handle wma_handle,
  * list that need to be applied to the scan results to form the
  * probable candidates for roaming.
  *
- * Return: Return success upon succesfully passing the
+ * Return: Return success upon successfully passing the
  *         parameters to the firmware, otherwise failure.
  */
 static QDF_STATUS wma_roam_scan_filter(tp_wma_handle wma_handle,