diff --git a/doc/samples/readme-encode_linux.md b/doc/samples/readme-encode_linux.md
index c33582c9ea..20948b11e9 100644
--- a/doc/samples/readme-encode_linux.md
+++ b/doc/samples/readme-encode_linux.md
@@ -125,8 +125,8 @@ The following command-line switches are optional:
  |[-WeightedPred:default\|implicit ]   | enables weighted prediction mode|
 |   [-WeightedBiPred:default\|implicit ] | enables weighted bi-prediction mode|
    |[-timeout] | encoding in cycle not less than specific time in seconds|
-  | [-membuf] | size of memory buffer in frames|
   | [-uncut]  | do not cut output file in looped mode (in case of -timeout option)|
+  | [-perf_opt n] | sets number of prefetched frames. In performance mode app preallocates buffer and loads first n frames |
  |  [-dump fileName] |dump MSDK components configuration to the file in text form|
   | [-usei]| insert user data unregistered SEI. eg: 7fc92488825d11e7bb31be2e44b06b34:0:MSDK (uuid:type<0-preifx/1-suffix>:message) <br>the suffix SEI for HEVCe can be inserted when CQP used or HRD disabled|
   | [-extbrc:<on,off,implicit>] | External BRC for AVC and HEVC encoders|
diff --git a/samples/sample_encode/src/sample_encode.cpp b/samples/sample_encode/src/sample_encode.cpp
index 491f9132f8..b4a3998100 100644
--- a/samples/sample_encode/src/sample_encode.cpp
+++ b/samples/sample_encode/src/sample_encode.cpp
@@ -169,7 +169,7 @@ void PrintHelp(msdk_char *strAppName, const msdk_char *strErrorMessage, ...)
     msdk_printf(MSDK_STRING("   [-WeightedPred:default|implicit ]   - enables weighted prediction mode\n"));
     msdk_printf(MSDK_STRING("   [-WeightedBiPred:default|implicit ] - enables weighted bi-prediction mode\n"));
     msdk_printf(MSDK_STRING("   [-timeout]               - encoding in cycle not less than specific time in seconds\n"));
-    msdk_printf(MSDK_STRING("   [-perf_opt n]            - sets number of prefetched frames. In performance mode app preallocates buffer and load first n frames\n"));
+    msdk_printf(MSDK_STRING("   [-perf_opt n]            - sets number of prefetched frames. In performance mode app preallocates buffer and loads first n frames\n"));
     msdk_printf(MSDK_STRING("   [-uncut]                 - do not cut output file in looped mode (in case of -timeout option)\n"));
     msdk_printf(MSDK_STRING("   [-dump fileName]         - dump MSDK components configuration to the file in text form\n"));
     msdk_printf(MSDK_STRING("   [-qpfile <filepath>]     - if specified, the encoder will take frame parameters (frame number, QP, frame type) from text file\n"));