3 files changed, 5 insertions, 5 deletions

diff --git a/m4/libgcrypt.m4 b/m4/libgcrypt.m4
index d89fe113..dd167f81 100644
--- a/m4/libgcrypt.m4
+++ b/m4/libgcrypt.m4
@@ -15,7 +15,7 @@
 dnl AM_PATH_LIBGCRYPT([MINIMUM-VERSION,
 dnl                   [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
 dnl Test for libgcrypt and define LIBGCRYPT_CFLAGS and LIBGCRYPT_LIBS.
-dnl MINIMUM-VERSION is a string with the version number optionalliy prefixed
+dnl MINIMUM-VERSION is a string with the version number optionally prefixed
 dnl with the API version to also check the API compatibility. Example:
 dnl a MINIMUM-VERSION of 1:1.2.5 won't pass the test unless the installed
 dnl version of libgcrypt is at least 1.2.5 *and* the API number is 1.  Using
diff --git a/m4/mhd_sys_extentions.m4 b/m4/mhd_sys_extentions.m4
index 51b8aeca..13da648e 100644
--- a/m4/mhd_sys_extentions.m4
+++ b/m4/mhd_sys_extentions.m4
@@ -333,7 +333,7 @@ ${mhd_mse_sys_features_src}
   m4_ifblank([$1], [dnl
     AH_TEMPLATE([[_XOPEN_SOURCE]], [Define to maximum value supported by system headers])dnl
     AH_TEMPLATE([[_XOPEN_SOURCE_EXTENDED]], [Define to 1 if _XOPEN_SOURCE is defined to value less than 500 ]dnl
-      [and system headers requre this symbol])dnl
+      [and system headers require this symbol])dnl
     AH_TEMPLATE([[_XOPEN_VERSION]], [Define to maximum value supported by system headers if _XOPEN_SOURCE ]dnl
       [is defined to value less than 500 and headers do not support _XOPEN_SOURCE_EXTENDED])dnl
     AH_TEMPLATE([[_GNU_SOURCE]], [Define to 1 to enable GNU-related header features])dnl
@@ -436,8 +436,8 @@ AC_DEFUN([_MHD_CHECK_POSIX2008], [dnl
       _MHD_CHECK_POSIX_FEATURES_SINGLE([
 _MHD_BASIC_INCLUDES
 [
-/* Check will be passed if ALL features are avalable 
- * and failed if ANY feature is not avalable. */
+/* Check will be passed if ALL features are available 
+ * and failed if ANY feature is not available. */
 int main()
 {
 
diff --git a/m4/pkg.m4 b/m4/pkg.m4
index 13a88901..f9075e56 100644
--- a/m4/pkg.m4
+++ b/m4/pkg.m4
@@ -86,7 +86,7 @@ dnl Check to see whether a particular set of modules exists. Similar to
 dnl PKG_CHECK_MODULES(), but does not set variables or print errors.
 dnl
 dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
-dnl only at the first occurence in configure.ac, so if the first place
+dnl only at the first occurrence in configure.ac, so if the first place
 dnl it's called might be skipped (such as if it is within an "if", you
 dnl have to call PKG_CHECK_EXISTS manually
 AC_DEFUN([PKG_CHECK_EXISTS],