diff --git a/hal/wifi3.0/hal_api_mon.h b/hal/wifi3.0/hal_api_mon.h
index 9388f64515..ccb0cb767b 100644
--- a/hal/wifi3.0/hal_api_mon.h
+++ b/hal/wifi3.0/hal_api_mon.h
@@ -477,7 +477,7 @@ hal_rx_status_get_next_tlv(uint8_t *rx_tlv) {
 	tlv_len = HAL_RX_GET_USER_TLV32_LEN(rx_tlv);
 	tlv_tag = HAL_RX_GET_USER_TLV32_TYPE(rx_tlv);
 
-	/* The actual length of PPDU_END is the combined lenght of many PHY
+	/* The actual length of PPDU_END is the combined length of many PHY
 	 * TLVs that follow. Skip the TLV header and
 	 * rx_rxpcu_classification_overview that follows the header to get to
 	 * next TLV.
diff --git a/hif/src/ce/ce_main.c b/hif/src/ce/ce_main.c
index f9d04b1ce9..5f81be832a 100644
--- a/hif/src/ce/ce_main.c
+++ b/hif/src/ce/ce_main.c
@@ -1849,7 +1849,7 @@ hif_pci_ce_send_done(struct CE_handle *copyeng, void *ce_context,
  * @nbytes: number of bytes in the message
  * @pipe_info: used for the pipe_number info
  *
- * Checks the packet length, configures the lenght in the netbuff,
+ * Checks the packet length, configures the length in the netbuff,
  * and calls the upper layer callback.
  *
  * return: None
diff --git a/os_if/linux/tdls/inc/wlan_cfg80211_tdls.h b/os_if/linux/tdls/inc/wlan_cfg80211_tdls.h
index 42adf4fec7..92ba83d781 100644
--- a/os_if/linux/tdls/inc/wlan_cfg80211_tdls.h
+++ b/os_if/linux/tdls/inc/wlan_cfg80211_tdls.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2017-2018 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -176,7 +176,7 @@ int wlan_cfg80211_tdls_get_all_peers(struct wlan_objmgr_vdev *vdev,
  * @status_code: status to be incuded in the frame
  * @peer_capability: peer capability information
  * @buf: additional IEs to be included
- * @len: lenght of additional Ies
+ * @len: length of additional Ies
  * @oper: cfg80211 TDLS operation
  *
  * Return: 0 on success; negative errno otherwise
diff --git a/qdf/linux/src/i_qdf_nbuf.h b/qdf/linux/src/i_qdf_nbuf.h
index 14664a620f..b03b516828 100644
--- a/qdf/linux/src/i_qdf_nbuf.h
+++ b/qdf/linux/src/i_qdf_nbuf.h
@@ -1750,7 +1750,7 @@ static inline bool __qdf_nbuf_tso_tcp_v6(struct sk_buff *skb)
 }
 
 /**
- * __qdf_nbuf_l2l3l4_hdr_len() - return the l2+l3+l4 hdr lenght of the skb
+ * __qdf_nbuf_l2l3l4_hdr_len() - return the l2+l3+l4 hdr length of the skb
  * @skb: sk buff
  *
  * Return: size of l2+l3+l4 header length
diff --git a/qdf/linux/src/i_qdf_types.h b/qdf/linux/src/i_qdf_types.h
index 395ddef41e..115aa54c16 100644
--- a/qdf/linux/src/i_qdf_types.h
+++ b/qdf/linux/src/i_qdf_types.h
@@ -270,7 +270,7 @@ typedef uint32_t ath_dma_addr_t;
 /**
  * typedef __qdf_segment_t - segment of memory
  * @daddr: dma address
- * @len: lenght of segment
+ * @len: length of segment
  */
 typedef struct __qdf_segment {
 	dma_addr_t  daddr;
diff --git a/umac/cmn_services/policy_mgr/inc/wlan_policy_mgr_api.h b/umac/cmn_services/policy_mgr/inc/wlan_policy_mgr_api.h
index 9eeb9e08e8..1efd27777a 100644
--- a/umac/cmn_services/policy_mgr/inc/wlan_policy_mgr_api.h
+++ b/umac/cmn_services/policy_mgr/inc/wlan_policy_mgr_api.h
@@ -303,7 +303,7 @@ uint8_t policy_mgr_get_channel(struct wlan_objmgr_psoc *psoc,
  * @psoc: PSOC object information
  * @mode:	Device mode
  * @pcl_channels: PCL channels
- * @len: lenght of the PCL
+ * @len: length of the PCL
  * @pcl_weight: Weights of the PCL
  * @weight_len: Max length of the weights list
  *
@@ -532,7 +532,7 @@ bool policy_mgr_is_ibss_conn_exist(struct wlan_objmgr_psoc *psoc,
 
 /**
  * policy_mgr_get_conn_info() - get the current connections list
- * @len: lenght of the list
+ * @len: length of the list
  *
  * This function returns a pointer to the current connections
  * list
diff --git a/wmi/inc/wmi_unified_param.h b/wmi/inc/wmi_unified_param.h
index 3072c3cf50..426751cfc1 100644
--- a/wmi/inc/wmi_unified_param.h
+++ b/wmi/inc/wmi_unified_param.h
@@ -4044,7 +4044,7 @@ struct remove_beacon_filter_params {
 /**
  * struct mgmt_params - Mgmt params
  * @vdev_id: vdev id
- * @buf_len: lenght of frame buffer
+ * @buf_len: length of frame buffer
  * @wbuf: frame buffer
  */
 struct mgmt_params {
@@ -4461,7 +4461,7 @@ struct proxy_ast_reserve_params {
  * @key: pointer to key
  * @key_len: length of key
  * @data: pointer data buf
- * @data_len: lenght of data buf
+ * @data_len: length of data buf
  * @mode: mode
  * @op: operation
  * @pdev_id: pdev_id for identifying the MAC
@@ -7875,7 +7875,7 @@ struct wmi_host_dcs_interference_param {
  * struct wmi_host_fips_event_param: FIPS event param
  * @pdev_id: pdev id
  * @error_status: Error status: 0 (no err), 1, or OPER_TIMEOUR
- * @data_len: FIPS data lenght
+ * @data_len: FIPS data length
  * @data: pointer to data
  */
 struct wmi_host_fips_event_param {
diff --git a/wmi/inc/wmi_unified_reg_api.h b/wmi/inc/wmi_unified_reg_api.h
index 8db288d5d9..ef147d6d52 100644
--- a/wmi/inc/wmi_unified_reg_api.h
+++ b/wmi/inc/wmi_unified_reg_api.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2017-2018 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -88,7 +88,7 @@ QDF_STATUS wmi_unified_set_user_country_code_cmd_send(void *wmi_hdl,
  * @wmi_hdl: wmi handle.
  * @evt_buf: event buffer
  * @ch_avoid_ind: buffer pointer to save the event processed data
- * @len: lenght of buffer
+ * @len: length of buffer
  *
  * Return: QDF_STATUS_SUCCESS on success and QDF_STATUS_E_FAILURE for failure
  */
diff --git a/wmi/src/wmi_unified_tlv.c b/wmi/src/wmi_unified_tlv.c
index 435e423b04..119132f8e0 100644
--- a/wmi/src/wmi_unified_tlv.c
+++ b/wmi/src/wmi_unified_tlv.c
@@ -13363,7 +13363,7 @@ void wmi_copy_resource_config(wmi_resource_config *resource_cfg,
 /* copy_hw_mode_id_in_init_cmd() - Helper routine to copy hw_mode in init cmd
  * @wmi_handle: pointer to wmi handle
  * @buf_ptr: pointer to current position in init command buffer
- * @len: pointer to length. This will be updated with current lenght of cmd
+ * @len: pointer to length. This will be updated with current length of cmd
  * @param: point host parameters for init command
  *
  * Return: Updated pointer of buf_ptr.