Fix spelling

3 files changed, 4 insertions, 4 deletions

diff --git a/src/gc.c b/src/gc.c
index fb3a7bd16..83454fa5c 100644
--- a/src/gc.c
+++ b/src/gc.c
@@ -45,7 +45,7 @@
 
   == Two White Types
 
-  There're two white color types in a flip-flop fashion: White-A and White-B,
+  There are two white color types in a flip-flop fashion: White-A and White-B,
   which respectively represent the Current White color (the newly allocated
   objects in the current GC cycle) and the Sweep Target White color (the
   dead objects to be swept).
diff --git a/src/string.c b/src/string.c
index cf71914b3..4d09c7eab 100644
--- a/src/string.c
+++ b/src/string.c
@@ -2997,7 +2997,7 @@ mrb_float_read(const char *string, char **endPtr)
     int c;
     int exp = 0;                /* Exponent read from "EX" field. */
     int fracExp = 0;            /* Exponent that derives from the fractional
-                                 * part.  Under normal circumstatnces, it is
+                                 * part.  Under normal circumstances, it is
                                  * the negative of the number of digits in F.
                                  * However, if I is very long, the last digits
                                  * of I get dropped (otherwise a long I with a
diff --git a/src/vm.c b/src/vm.c
index b56e960a2..76bd541c3 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -1840,11 +1840,11 @@ RETRY_TRY_BLOCK:
         if (mlen < m2) {
           stack_clear(&regs[len-m2+mlen+1], m2-mlen);
         }
-        /* initalize rest arguments with empty Array */
+        /* initialize rest arguments with empty Array */
         if (r) {
           regs[m1+o+1] = mrb_ary_new_capa(mrb, 0);
         }
-        /* skip initailizer of passed arguments */
+        /* skip initializer of passed arguments */
         if (o > 0 && argc-kargs > m1+m2)
           pc += (argc - kargs - m1 - m2)*3;
       }