diff --git a/doc/avutil.txt b/doc/avutil.txt
index b27a6d50e71897017d4fd072f0cbe4208d484cd1..a81e74118712f0a569b7e2ae48e23afaf9dd90d9 100644
--- a/doc/avutil.txt
+++ b/doc/avutil.txt
@@ -31,7 +31,7 @@ intreadwrite.h          reading and writing of unaligned big/little/native-endia
 
 Goals:
 ======
-* Modular (few interdependancies and the possibility of disabling individual parts during ./configure)
+* Modular (few interdependencies and the possibility of disabling individual parts during ./configure)
 * Small (source and object)
 * Efficient (low CPU and memory usage)
 * Useful (avoid useless features almost noone needs)
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 3fdb9dacc7378edd48dda2f00a1f04fe6fafc079..dadee8e7214a53ac65ef0d382dc9e7b0e6ef4b5d 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -383,7 +383,7 @@ typedef struct RcOverride{
 /* Unsupported options :
  *              Syntax Arithmetic coding (SAC)
  *              Reference Picture Selection
- *              Independant Segment Decoding */
+ *              Independent Segment Decoding */
 /* /Fx */
 /* codec capabilities */
 
@@ -1705,14 +1705,14 @@ typedef struct AVCodecContext {
 
     /**
      * Thread count.
-     * is used to decide how many independant tasks should be passed to execute()
+     * is used to decide how many independent tasks should be passed to execute()
      * - encoding: set by user
      * - decoding: set by user
      */
     int thread_count;
 
     /**
-     * the codec may call this to execute several independant things. it will return only after
+     * the codec may call this to execute several independent things. it will return only after
      * finishing all tasks, the user may replace this with some multithreaded implementation, the
      * default implementation will execute the parts serially
      * @param count the number of things to execute
diff --git a/libavcodec/h263.c b/libavcodec/h263.c
index 27b66a0c81224d413f319091d19512e10bbf2abe..31cc583915cbfc7560a8300643657f4bf87b4c2a 100644
--- a/libavcodec/h263.c
+++ b/libavcodec/h263.c
@@ -2519,7 +2519,7 @@ void mpeg4_encode_picture_header(MpegEncContext * s, int picture_number)
 #endif //CONFIG_ENCODERS
 
 /**
- * set qscale and update qscale dependant variables.
+ * set qscale and update qscale dependent variables.
  */
 void ff_set_qscale(MpegEncContext * s, int qscale)
 {
diff --git a/libavcodec/mjpeg.c b/libavcodec/mjpeg.c
index e13e12cc842126909ff5000e596c7a326a58c8e0..956f809922ac09a2858dce20c848ef6a48582710 100644
--- a/libavcodec/mjpeg.c
+++ b/libavcodec/mjpeg.c
@@ -901,7 +901,7 @@ typedef struct MJpegDecodeContext {
     int cur_scan; /* current scan, used by JPEG-LS */
 } MJpegDecodeContext;
 
-#include "jpeg_ls.c" //FIXME make jpeg-ls more independant
+#include "jpeg_ls.c" //FIXME make jpeg-ls more independent
 
 static int mjpeg_decode_dht(MJpegDecodeContext *s);
 
diff --git a/libavcodec/ratecontrol.c b/libavcodec/ratecontrol.c
index d96c837e6ce456023aacc31c05ceeedecafd0478..9cf63c0cf68c37cad0156ae569378c44afa7417e 100644
--- a/libavcodec/ratecontrol.c
+++ b/libavcodec/ratecontrol.c
@@ -751,7 +751,7 @@ float ff_rate_estimate_qscale(MpegEncContext *s, int dry_run)
 //printf("%f ", q);
         assert(q>0.0);
 
-        if(pict_type==P_TYPE || s->intra_only){ //FIXME type dependant blur like in 2-pass
+        if(pict_type==P_TYPE || s->intra_only){ //FIXME type dependent blur like in 2-pass
             rcc->short_term_qsum*=a->qblur;
             rcc->short_term_qcount*=a->qblur;
 
@@ -811,7 +811,7 @@ static int init_pass2(MpegEncContext *s)
     int i, toobig;
     double fps= 1/av_q2d(s->avctx->time_base);
     double complexity[5]={0,0,0,0,0};   // aproximate bits at quant=1
-    uint64_t const_bits[5]={0,0,0,0,0}; // quantizer idependant bits
+    uint64_t const_bits[5]={0,0,0,0,0}; // quantizer independent bits
     uint64_t all_const_bits;
     uint64_t all_available_bits= (uint64_t)(s->bit_rate*(double)rcc->num_entries/fps);
     double rate_factor=0;
diff --git a/libavcodec/snow.c b/libavcodec/snow.c
index 270cafc802e4b89a4722f66ffc33cbdb14f626b4..c815e138a8720ce97497fa9692af340436ec5889 100644
--- a/libavcodec/snow.c
+++ b/libavcodec/snow.c
@@ -422,7 +422,7 @@ typedef struct Plane{
 }Plane;
 
 typedef struct SnowContext{
-//    MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to make the motion estimation eventually independant of MpegEncContext, so this will be removed then (FIXME/XXX)
+//    MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to make the motion estimation eventually independent of MpegEncContext, so this will be removed then (FIXME/XXX)
 
     AVCodecContext *avctx;
     RangeCoder c;
@@ -473,7 +473,7 @@ typedef struct SnowContext{
     int me_cache_generation;
     slice_buffer sb;
 
-    MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to make the motion estimation eventually independant of MpegEncContext, so this will be removed then (FIXME/XXX)
+    MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to make the motion estimation eventually independent of MpegEncContext, so this will be removed then (FIXME/XXX)
 }SnowContext;
 
 typedef struct {
diff --git a/libavcodec/svq1.c b/libavcodec/svq1.c
index 5e86162696f891e0e44e6b982a1f581e70e8df3f..4a6c5f55c93ee169cff7332b2a5f918a0d223057 100644
--- a/libavcodec/svq1.c
+++ b/libavcodec/svq1.c
@@ -65,7 +65,7 @@ static VLC svq1_inter_mean;
 #define SVQ1_BLOCK_INTRA        3
 
 typedef struct SVQ1Context {
-    MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to make the motion estimation eventually independant of MpegEncContext, so this will be removed then (FIXME/XXX)
+    MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to make the motion estimation eventually independent of MpegEncContext, so this will be removed then (FIXME/XXX)
     AVCodecContext *avctx;
     DSPContext dsp;
     AVFrame picture;
diff --git a/libavcodec/wma.c b/libavcodec/wma.c
index 31a417ac51491e1bd54c344e8cae795634ba1e2b..87b95ea5a9e3eda39cad8f0b7d933633a70da183 100644
--- a/libavcodec/wma.c
+++ b/libavcodec/wma.c
@@ -108,7 +108,7 @@ int ff_wma_init(AVCodecContext * avctx, int flags2)
         s->nb_block_sizes = 1;
     }
 
-    /* init rate dependant parameters */
+    /* init rate dependent parameters */
     s->use_noise_coding = 1;
     high_freq = s->sample_rate * 0.5;
 
diff --git a/libavutil/mem.c b/libavutil/mem.c
index f43fb542073c0036b8bd0ac7e77c12ec17a739df..fb0fb63e20864b7ec663e842a743fb2253783d79 100644
--- a/libavutil/mem.c
+++ b/libavutil/mem.c
@@ -26,7 +26,7 @@
 
 #include "common.h"
 
-/* here we can use OS dependant allocation functions */
+/* here we can use OS dependent allocation functions */
 #undef malloc
 #undef free
 #undef realloc