Fix various spelling issues (#274).

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>.

include/modules/httpd.h

@@ -80,7 +80,7 @@ struct HTTPReply
 	}
 };
 
-/* A message from soneone */
+/* A message from someone */
 struct HTTPMessage
 {
 	std::map<Anope::string, Anope::string> headers;

include/modules/ns_cert.h

@@ -26,7 +26,7 @@ struct NSCertList
 
 	/** Get an entry from the nick's cert list by index
 	 *
-	 * @param entry Index in the certificaate list vector to retrieve
+	 * @param entry Index in the certificate list vector to retrieve
 	 * @return The fingerprint entry of the given index if within bounds, an empty string if the vector is empty or the index is out of bounds
 	 *
 	 * Retrieves an entry from the certificate list corresponding to the given index.

include/modules/pseudoclients/memoserv.h

@@ -25,7 +25,7 @@ class MemoServService : public Service
 	}
 
 	/** Sends a memo.
-	 * @param source The source of the memo, can be anythin.
+	 * @param source The source of the memo, can be anything.
 	 * @param target The target of the memo, nick or channel.
 	 * @param message Memo text
 	 * @param force true to force the memo, restrictions/delays etc are not checked