diff --git a/doc/build/build_from_source.md b/doc/build/build_from_source.md
index f9899086bf060eb7ecc204ebc1eb1f1ad6891ca2..a6090d68191625d86d8103c9cf96832535cbcf73 100644
--- a/doc/build/build_from_source.md
+++ b/doc/build/build_from_source.md
@@ -135,7 +135,7 @@ mkdir build && cd build
 cmake ..
 ```
 
-CMake first check PaddlePaddle's dependecies in system default path. After installing some optional
+CMake first check PaddlePaddle's dependencies in system default path. After installing some optional
 libraries, corresponding build option will be set automatically (for instance, glog, gtest and gflags).
 If still not found, you can manually set it based on CMake error information from your screen.
 
@@ -256,7 +256,7 @@ mkdir build && cd build
 cmake ..
 ```
 
-CMake first check PaddlePaddle's dependecies in system default path. After installing some optional
+CMake first check PaddlePaddle's dependencies in system default path. After installing some optional
 libraries, corresponding build option will be set automatically (for instance, glog, gtest and gflags).
 If still not found, you can manually set it based on CMake error information from your screen.