diff --git a/applib-targets/emscripten/emscripten_resources.h b/applib-targets/emscripten/emscripten_resources.h
index 40239ccb..653877f1 100644
--- a/applib-targets/emscripten/emscripten_resources.h
+++ b/applib-targets/emscripten/emscripten_resources.h
@@ -22,7 +22,7 @@
 
 #include "resource/resource.h"
 
-// transformed to int to avoid surpises between C->JS
+// transformed to int to avoid surprises between C->JS
 typedef int (*ResourceReadCb)(int offset, uint8_t *buf, int num_bytes);
 typedef int (*ResourceGetSizeCb)(void);
 
diff --git a/src/fw/applib/app_timer.c b/src/fw/applib/app_timer.c
index facb7d75..957b6724 100644
--- a/src/fw/applib/app_timer.c
+++ b/src/fw/applib/app_timer.c
@@ -22,7 +22,7 @@
 
 //! @file fw/applib/app_timer.c
 //!
-//! Surpise! All this is is a dumb wrapper around evented_timer!
+//! Surprise! All this is is a dumb wrapper around evented_timer!
 
 DEFINE_SYSCALL(AppTimer*, app_timer_register, uint32_t timeout_ms,
                                               AppTimerCallback callback,