diff --git a/src/ciabatta.c b/src/ciabatta.c
index 2303b23..14af42d 100644
--- a/src/ciabatta.c
+++ b/src/ciabatta.c
@@ -38,7 +38,7 @@
 
 #include "intrin.h"
 
-// Platform-independent stuff
+// Platform-independent functionality
 #include "util.c"
 #include "math/basic.c"
 #include "math/division.c"
@@ -63,7 +63,7 @@
 #include "wchar.c"
 #include "wctype.c"
 
-// Windows stuff
+// Windows platform functionality
 #if defined(CIABATTA_WIN)
     #include "os_win/win.h"
     #include "os_win/cookie.c"
diff --git a/src/string.c b/src/string.c
index 179fbba..33c9ea7 100644
--- a/src/string.c
+++ b/src/string.c
@@ -210,7 +210,7 @@ char *strtok_r(char *restrict s1, const char *restrict s2, char **restrict ctx)
 char *strerror(int errnum) {
     switch(errnum) {
         case 0:      return "No errors";
-        case EDOM:   return "Value is out of domain of the function";
+        case EDOM:   return "Value is outside of domain of the function";
         case EILSEQ: return "Illegal byte sequence";
         case ERANGE: return "Value is out of range";
     }