diff --git a/.gitignore b/.gitignore
index 28bab0a4..ce2875b6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,7 +14,7 @@
 *.exe
 *.lib
 
-# Patch leaves these lying arround
+# Patch leaves these lying around
 *.orig
 *.rej
 
diff --git a/buffer.c b/buffer.c
index 6c96f054..fcbcba3c 100644
--- a/buffer.c
+++ b/buffer.c
@@ -1668,7 +1668,7 @@ evbuffer_search_eol(struct evbuffer *buffer,
 		if (evbuffer_strchr(&it, '\n') < 0)
 			goto done;
 		extra_drain = 1;
-		/* ... optionally preceeded by a CR. */
+		/* ... optionally preceded by a CR. */
 		if (it.pos == start_pos)
 			break; /* If the first character is \n, don't back up */
 		/* This potentially does an extra linear walk over the first
diff --git a/buffer_iocp.c b/buffer_iocp.c
index 2af0c49c..77619760 100644
--- a/buffer_iocp.c
+++ b/buffer_iocp.c
@@ -69,7 +69,7 @@ struct evbuffer_overlapped {
 	WSABUF buffers[MAX_WSABUFS];
 };
 
-/** Given an evbuffer, return the correponding evbuffer structure, or NULL if
+/** Given an evbuffer, return the corresponding evbuffer structure, or NULL if
  * the evbuffer isn't overlapped. */
 static inline struct evbuffer_overlapped *
 upcast_evbuffer(struct evbuffer *buf)
diff --git a/bufferevent_ratelim.c b/bufferevent_ratelim.c
index 3b7ae51b..1fed9d15 100644
--- a/bufferevent_ratelim.c
+++ b/bufferevent_ratelim.c
@@ -76,7 +76,7 @@ ev_token_bucket_update_(struct ev_token_bucket *bucket,
     ev_uint32_t current_tick)
 {
 	/* It's okay if the tick number overflows, since we'll just
-	 * wrap around when we do the unsigned substraction. */
+	 * wrap around when we do the unsigned subtraction. */
 	unsigned n_ticks = current_tick - bucket->last_updated;
 
 	/* Make sure some ticks actually happened, and that time didn't
diff --git a/configure.ac b/configure.ac
index b91c5878..b73ac424 100644
--- a/configure.ac
+++ b/configure.ac
@@ -766,7 +766,7 @@ if test "$enable_gcc_warnings" != "no" && test "$GCC" = "yes"; then
     AX_CHECK_COMPILE_FLAG([-Werror], [CFLAGS="$CFLAGS -Werror"])
   fi
 
-  dnl Disable warnings for unused paramaters
+  dnl Disable warnings for unused parameters
   AX_CHECK_COMPILE_FLAG([-Wno-unused-parameter], [CFLAGS="$CFLAGS -Wno-unused-parameter"],[],[-Werror])
   AX_CHECK_COMPILE_FLAG([-Wno-void-pointer-to-enum-cast], [CFLAGS="$CFLAGS -Wno-void-pointer-to-enum-cast"],[],[-Werror])
 
diff --git a/include/event2/http_struct.h b/include/event2/http_struct.h
index 4bf5b1ff..b828180e 100644
--- a/include/event2/http_struct.h
+++ b/include/event2/http_struct.h
@@ -129,7 +129,7 @@ struct {
 	int (*header_cb)(struct evhttp_request *, void *);
 
 	/*
-	 * Error callback - called when error is occured.
+	 * Error callback - called when error is occurred.
 	 * @see evhttp_request_error for error types.
 	 *
 	 * @see evhttp_request_set_error_cb()