diff --git a/src/libcharon/plugins/vici/README.md b/src/libcharon/plugins/vici/README.md
index 46fa5b528..aeabbbd4d 100644
--- a/src/libcharon/plugins/vici/README.md
+++ b/src/libcharon/plugins/vici/README.md
@@ -68,7 +68,7 @@ anymore. The server confirms event registration using EVENT_CONFIRM, or
 indicates that there is no such event source with EVENT_UNKNOWN.
 
 Events may get raised at any time while registered, even during an active
-request command. This mechanism is used to feed continous data during a request,
+request command. This mechanism is used to feed continuous data during a request,
 for example.
 
 ## Message format ##
diff --git a/src/libcharon/plugins/vici/vici_message.h b/src/libcharon/plugins/vici/vici_message.h
index c5e25b350..1a89cf829 100644
--- a/src/libcharon/plugins/vici/vici_message.h
+++ b/src/libcharon/plugins/vici/vici_message.h
@@ -241,7 +241,7 @@ vici_message_t *vici_message_create_from_args(vici_type_t type, ...);
 bool vici_stringify(chunk_t chunk, char *buf, size_t size);
 
 /**
- * Verify the occurence of a given type for given section/list nesting
+ * Verify the occurrence of a given type for given section/list nesting
  */
 bool vici_verify_type(vici_type_t type, u_int section, bool list);
 
diff --git a/src/libpts/pts/pts_ima_bios_list.c b/src/libpts/pts/pts_ima_bios_list.c
index 38ec1a742..5051b6c2d 100644
--- a/src/libpts/pts/pts_ima_bios_list.c
+++ b/src/libpts/pts/pts_ima_bios_list.c
@@ -28,7 +28,7 @@ typedef struct bios_entry_t bios_entry_t;
 typedef enum event_type_t event_type_t;
 
 enum event_type_t {
-	/* BIOS Events (TCG PC Client Specification for Convential BIOS 1.21) */
+	/* BIOS Events (TCG PC Client Specification for Conventional BIOS 1.21) */
 	EV_PREBOOT_CERT =                  0x00000000,
 	EV_POST_CODE =                     0x00000001,
 	EV_UNUSED =                        0x00000002,
diff --git a/src/libstrongswan/utils/windows.h b/src/libstrongswan/utils/windows.h
index 5cf4a669b..3761e10ab 100644
--- a/src/libstrongswan/utils/windows.h
+++ b/src/libstrongswan/utils/windows.h
@@ -368,7 +368,7 @@ ssize_t windows_sendto(int sockfd, const void *buf, size_t len, int flags,
 _CRTIMP errno_t strerror_s(char *buf, size_t size, int errnum);
 
 /**
- * strerror_s, but supporting POSIX compatiblity errno >= 100
+ * strerror_s, but supporting POSIX compatibility errno >= 100
  */
 #define strerror_s strerror_s_extended
 int strerror_s_extended(char *buf, size_t buflen, int errnum);
diff --git a/src/swanctl/swanctl.opt b/src/swanctl/swanctl.opt
index aa1201aec..e136ffb5b 100644
--- a/src/swanctl/swanctl.opt
+++ b/src/swanctl/swanctl.opt
@@ -309,7 +309,7 @@ connections.<conn>.local<suffix>.aaa_id = remote-id
 	This identity may differ from the IKE identity, especially when EAP
 	authentication is delegated from the IKE responder to an AAA backend.
 
-	For EAP-(T)TLS, this defines the identity for wich the server must provide
+	For EAP-(T)TLS, this defines the identity for which the server must provide
 	a certificate in the TLS exchange.
 
 connections.<conn>.local<suffix>.xauth_id = id