diff --git a/INSTALL.md b/INSTALL.md
index 383406b0513b..f681ac62ebd4 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -392,7 +392,7 @@ make -j10
 make install 
 
 ```
-after install , you may add bcc directory to your $PATH, which you can add to ~/.bashrc
+after install, you may add bcc directory to your $PATH, which you can add to ~/.bashrc
 ```
 bcctools=/usr/share/bcc/tools
 bccexamples=/usr/share/bcc/examples
diff --git a/examples/networking/http_filter/http-parse-complete.c b/examples/networking/http_filter/http-parse-complete.c
index 61cee0fbab4c..ef102ba70a44 100644
--- a/examples/networking/http_filter/http-parse-complete.c
+++ b/examples/networking/http_filter/http-parse-complete.c
@@ -100,7 +100,7 @@ int http_filter(struct __sk_buff *skb) {
 	unsigned long p[7];
 	int i = 0;
 	for (i = 0; i < 7; i++) {
-		p[i] = load_byte(skb , payload_offset + i);
+		p[i] = load_byte(skb, payload_offset + i);
 	}
 
 	//find a match with an HTTP message
diff --git a/examples/networking/http_filter/http-parse-simple.c b/examples/networking/http_filter/http-parse-simple.c
index 292cb7b44dd5..9afbe1ec05e3 100644
--- a/examples/networking/http_filter/http-parse-simple.c
+++ b/examples/networking/http_filter/http-parse-simple.c
@@ -71,7 +71,7 @@ int http_filter(struct __sk_buff *skb) {
 	unsigned long p[7];
 	int i = 0;
 	for (i = 0; i < 7; i++) {
-		p[i] = load_byte(skb , payload_offset + i);
+		p[i] = load_byte(skb, payload_offset + i);
 	}
 
 	//find a match with an HTTP message
diff --git a/libbpf-tools/filetop.c b/libbpf-tools/filetop.c
index 70240d85e472..4e4554e0c5d3 100644
--- a/libbpf-tools/filetop.c
+++ b/libbpf-tools/filetop.c
@@ -195,7 +195,7 @@ static int print_stat(struct filetop_bpf *obj)
 		time(&t);
 		tm = localtime(&t);
 		strftime(ts, sizeof(ts), "%H:%M:%S", tm);
-		memset(buf, 0 , sizeof(buf));
+		memset(buf, 0, sizeof(buf));
 		n = fread(buf, 1, sizeof(buf), f);
 		if (n)
 			printf("%8s loadavg: %s\n", ts, buf);
diff --git a/libbpf-tools/oomkill.c b/libbpf-tools/oomkill.c
index 7c7c6f57db2e..a3a91f0f8ccd 100644
--- a/libbpf-tools/oomkill.c
+++ b/libbpf-tools/oomkill.c
@@ -38,7 +38,7 @@ static void handle_event(void *ctx, int cpu, void *data, __u32 data_sz)
 
 	f = fopen("/proc/loadavg", "r");
 	if (f) {
-		memset(buf, 0 , sizeof(buf));
+		memset(buf, 0, sizeof(buf));
 		n = fread(buf, 1, sizeof(buf), f);
 		fclose(f);
 	}
diff --git a/src/cc/perf_reader.c b/src/cc/perf_reader.c
index 4bcc5fed8398..f4c24fddbd33 100644
--- a/src/cc/perf_reader.c
+++ b/src/cc/perf_reader.c
@@ -93,7 +93,7 @@ int perf_reader_mmap(struct perf_reader *reader) {
     return -1;
   }
 
-  reader->base = mmap(NULL, mmap_size, PROT_READ | PROT_WRITE , MAP_SHARED, reader->fd, 0);
+  reader->base = mmap(NULL, mmap_size, PROT_READ | PROT_WRITE, MAP_SHARED, reader->fd, 0);
   if (reader->base == MAP_FAILED) {
     perror("mmap");
     return -1;
diff --git a/tools/ext4slower.py b/tools/ext4slower.py
index 90663a5854d5..5cd75abc3f52 100755
--- a/tools/ext4slower.py
+++ b/tools/ext4slower.py
@@ -101,7 +101,7 @@
 // own function, for reads. So we need to trace that and then filter on ext4,
 // which I do by checking file->f_op.
 // The new Linux version (since form 4.10) uses ext4_file_read_iter(), And if the 'CONFIG_FS_DAX' 
-// is not set ,then ext4_file_read_iter() will call generic_file_read_iter(), else it will call 
+// is not set, then ext4_file_read_iter() will call generic_file_read_iter(), else it will call
 // ext4_dax_read_iter(), and trace generic_file_read_iter() will fail.
 int trace_read_entry(struct pt_regs *ctx, struct kiocb *iocb)
 {