diff --git a/build/make/Makefile b/build/make/Makefile
index 62d139ea4..5e3c904d9 100755
--- a/build/make/Makefile
+++ b/build/make/Makefile
@@ -255,7 +255,7 @@ ifeq ($(filter clean,$(MAKECMDGOALS)),)
 endif
 
 #
-# Configuration dependant rules
+# Configuration dependent rules
 #
 $(call pairmap,install_map_templates,$(INSTALL_MAPS))
 
@@ -332,7 +332,7 @@ ifneq ($(call enabled,DIST-SRCS),)
     DIST-SRCS-$(CONFIG_MSVS)  += build/x86-msvs/yasm.rules
     DIST-SRCS-$(CONFIG_RVCT) += build/make/armlink_adapter.sh
     #
-    # This isn't really ARCH_ARM dependent, it's dependant on whether we're
+    # This isn't really ARCH_ARM dependent, it's dependent on whether we're
     # using assembly code or not (CONFIG_OPTIMIZATIONS maybe). Just use
     # this for now.
     DIST-SRCS-$(ARCH_ARM)    += build/make/obj_int_extract.c
diff --git a/build/make/configure.sh b/build/make/configure.sh
index d504008a4..a48fd9faf 100755
--- a/build/make/configure.sh
+++ b/build/make/configure.sh
@@ -83,7 +83,7 @@ Build options:
   ${toggle_werror}            treat warnings as errors, if possible
                               (not available with all compilers)
   ${toggle_optimizations}     turn on/off compiler optimization flags
-  ${toggle_pic}               turn on/off Position Independant Code
+  ${toggle_pic}               turn on/off Position Independent Code
   ${toggle_ccache}            turn on/off compiler cache
   ${toggle_debug}             enable/disable debug mode
   ${toggle_gprof}             enable/disable gprof profiling instrumentation
@@ -957,7 +957,7 @@ process_common_toolchain() {
         enabled small && check_add_cflags -O2 || check_add_cflags -O3
     fi
 
-    # Position Independant Code (PIC) support, for building relocatable
+    # Position Independent Code (PIC) support, for building relocatable
     # shared objects
     enabled gcc && enabled pic && check_add_cflags -fPIC
 
diff --git a/vpx/vpx_codec.h b/vpx/vpx_codec.h
index 4d58bf869..d92e165ff 100644
--- a/vpx/vpx_codec.h
+++ b/vpx/vpx_codec.h
@@ -498,7 +498,7 @@ extern "C" {
      * Iterates over a list of the segments to allocate. The iterator storage
      * should be initialized to NULL to start the iteration. Iteration is complete
      * when this function returns VPX_CODEC_LIST_END. The amount of memory needed to
-     * allocate is dependant upon the size of the encoded stream. In cases where the
+     * allocate is dependent upon the size of the encoded stream. In cases where the
      * stream is not available at allocation time, a fixed size must be requested.
      * The codec will not be able to operate on streams larger than the size used at
      * allocation time.
diff --git a/vpx/vpx_decoder_compat.h b/vpx/vpx_decoder_compat.h
index 0fec32777..8adc1b998 100644
--- a/vpx/vpx_decoder_compat.h
+++ b/vpx/vpx_decoder_compat.h
@@ -527,7 +527,7 @@ extern "C" {
      * Iterates over a list of the segments to allocate. The iterator storage
      * should be initialized to NULL to start the iteration. Iteration is complete
      * when this function returns VPX_DEC_LIST_END. The amount of memory needed to
-     * allocate is dependant upon the size of the encoded stream. This means that
+     * allocate is dependent upon the size of the encoded stream. This means that
      * the stream info structure must be known at allocation time. It can be
      * populated with the vpx_dec_peek_stream_info() function. In cases where the
      * stream to be decoded is not available at allocation time, a fixed size must
diff --git a/vpx_scale/arm/scalesystemdependant.c b/vpx_scale/arm/scalesystemdependent.c
similarity index 100%
rename from vpx_scale/arm/scalesystemdependant.c
rename to vpx_scale/arm/scalesystemdependent.c
diff --git a/vpx_scale/generic/scalesystemdependant.c b/vpx_scale/generic/scalesystemdependent.c
similarity index 100%
rename from vpx_scale/generic/scalesystemdependant.c
rename to vpx_scale/generic/scalesystemdependent.c
diff --git a/vpx_scale/vpx_scale.mk b/vpx_scale/vpx_scale.mk
index f4ab258ed..edb5419c3 100644
--- a/vpx_scale/vpx_scale.mk
+++ b/vpx_scale/vpx_scale.mk
@@ -6,13 +6,13 @@ SCALE_SRCS-yes += vpxscale.h
 SCALE_SRCS-yes += generic/vpxscale.c
 SCALE_SRCS-yes += generic/yv12config.c
 SCALE_SRCS-yes += generic/yv12extend.c
-SCALE_SRCS-yes += generic/scalesystemdependant.c
+SCALE_SRCS-yes += generic/scalesystemdependent.c
 SCALE_SRCS-$(CONFIG_SPATIAL_RESAMPLING) += generic/gen_scalers.c
 
 #arm
-SCALE_SRCS-$(HAVE_ARMV7)         += arm/scalesystemdependant.c
+SCALE_SRCS-$(HAVE_ARMV7)         += arm/scalesystemdependent.c
 SCALE_SRCS-$(HAVE_ARMV7)         += arm/yv12extend_arm.c
-SCALE_SRCS_REMOVE-$(HAVE_ARMV7)  += generic/scalesystemdependant.c
+SCALE_SRCS_REMOVE-$(HAVE_ARMV7)  += generic/scalesystemdependent.c
 
 #neon
 SCALE_SRCS-$(HAVE_ARMV7)  += arm/neon/vp8_vpxyv12_copyframe_func_neon$(ASM)
diff --git a/vpx_scale/win32/scalesystemdependant.c b/vpx_scale/win32/scalesystemdependent.c
similarity index 97%
rename from vpx_scale/win32/scalesystemdependant.c
rename to vpx_scale/win32/scalesystemdependent.c
index eab741f83..19e61c3a5 100644
--- a/vpx_scale/win32/scalesystemdependant.c
+++ b/vpx_scale/win32/scalesystemdependent.c
@@ -11,9 +11,9 @@
 
 /****************************************************************************
 *
-*   Module Title :     system_dependant.c
+*   Module Title :     system_dependent.c
 *
-*   Description  :     Miscellaneous system dependant functions
+*   Description  :     Miscellaneous system dependent functions
 *
 ****************************************************************************/