More docstrings

mongoose.h

@@ -1434,6 +1434,7 @@ extern const struct mg_mem_file mg_packed_files[];  // Generated by "pack" util
 
 
 
+
 #if MG_ENABLE_ASSERT
 #include <assert.h>
 #elif !defined(assert)
@@ -1907,6 +1908,7 @@ void mg_http_serve_ssi(struct mg_connection *c, const char *root,
 // TLS / Security
 
 
+// Available TLS backend libraries
 #define MG_TLS_NONE 0     // No TLS support
 #define MG_TLS_MBED 1     // mbedTLS
 #define MG_TLS_OPENSSL 2  // OpenSSL
@@ -1915,6 +1917,8 @@ void mg_http_serve_ssi(struct mg_connection *c, const char *root,
 #define MG_TLS_CUSTOM 4   // Custom implementation
 
 #ifndef MG_TLS
+// mongoose_config.h setting. Set MG_TLS to one of the MG_TLS_* values above to
+// select a TLS backend. Defaults to MG_TLS_NONE (no TLS).
 #define MG_TLS MG_TLS_NONE
 #endif