diff --git a/lib/dictBuilder/cover.c b/lib/dictBuilder/cover.c
index 74b70ef82..6b4af69d2 100644
--- a/lib/dictBuilder/cover.c
+++ b/lib/dictBuilder/cover.c
@@ -684,7 +684,7 @@ ZDICTLIB_API size_t ZDICT_trainFromBuffer_cover(
   BYTE* const dict = (BYTE*)dictBuffer;
   COVER_ctx_t ctx;
   COVER_map_t activeDmers;
-  parameters.splitPoint = parameters.splitPoint <= 0.0 ? DEFAULT_SPLITPOINT : parameters.splitPoint;
+  parameters.splitPoint = 1.0;
   /* Initialize global data */
   g_displayLevel = parameters.zParams.notificationLevel;
   /* Checks */
diff --git a/lib/dictBuilder/fastcover.c b/lib/dictBuilder/fastcover.c
index 9a41ac2f9..fbf5770ba 100644
--- a/lib/dictBuilder/fastcover.c
+++ b/lib/dictBuilder/fastcover.c
@@ -510,7 +510,7 @@ ZDICTLIB_API size_t ZDICT_trainFromBuffer_fastCover(
     /* Initialize global data */
     g_displayLevel = parameters.zParams.notificationLevel;
     /* Assign splitPoint and f if not provided */
-    parameters.splitPoint = parameters.splitPoint <= 0.0 ? DEFAULT_SPLITPOINT : parameters.splitPoint;
+    parameters.splitPoint = 1.0;
     parameters.f = parameters.f == 0 ? DEFAULT_F : parameters.f;
     parameters.accel = parameters.accel == 0 ? DEFAULT_ACCEL : parameters.accel;
     /* Convert to cover parameter */
diff --git a/lib/dictBuilder/zdict.h b/lib/dictBuilder/zdict.h
index c838fd4a7..cf5981779 100644
--- a/lib/dictBuilder/zdict.h
+++ b/lib/dictBuilder/zdict.h
@@ -85,9 +85,9 @@ typedef struct {
 typedef struct {
     unsigned k;                  /* Segment size : constraint: 0 < k : Reasonable range [16, 2048+] */
     unsigned d;                  /* dmer size : constraint: 0 < d <= k : Reasonable range [6, 16] */
-    unsigned steps;              /* Number of steps : Only used for optimization : 0 means default (32) : Higher means more parameters checked */
+    unsigned steps;              /* Number of steps : Only used for optimization : 0 means default (40) : Higher means more parameters checked */
     unsigned nbThreads;          /* Number of threads : constraint: 0 < nbThreads : 1 means single-threaded : Only used for optimization : Ignored if ZSTD_MULTITHREAD is not defined */
-    double splitPoint;           /* Percentage of samples used for training: the first nbSamples * splitPoint samples will be used to training, the last nbSamples * (1 - splitPoint) samples will be used for testing, 0 means default (1.0), 1.0 when all samples are used for both training and testing */
+    double splitPoint;           /* Percentage of samples used for training: Only used for optimization : the first nbSamples * splitPoint samples will be used to training, the last nbSamples * (1 - splitPoint) samples will be used for testing, 0 means default (1.0), 1.0 when all samples are used for both training and testing */
     ZDICT_params_t zParams;
 } ZDICT_cover_params_t;
 
@@ -95,9 +95,9 @@ typedef struct {
     unsigned k;                  /* Segment size : constraint: 0 < k : Reasonable range [16, 2048+] */
     unsigned d;                  /* dmer size : constraint: 0 < d <= k : Reasonable range [6, 16] */
     unsigned f;                  /* log of size of frequency array : constraint: 0 < f <= 31 : 1 means default(18)*/
-    unsigned steps;              /* Number of steps : Only used for optimization : 0 means default (32) : Higher means more parameters checked */
+    unsigned steps;              /* Number of steps : Only used for optimization : 0 means default (40) : Higher means more parameters checked */
     unsigned nbThreads;          /* Number of threads : constraint: 0 < nbThreads : 1 means single-threaded : Only used for optimization : Ignored if ZSTD_MULTITHREAD is not defined */
-    double splitPoint;           /* Percentage of samples used for training: the first nbSamples * splitPoint samples will be used to training, the last nbSamples * (1 - splitPoint) samples will be used for testing, 0 means default (0.75), 1.0 when all samples are used for both training and testing */
+    double splitPoint;           /* Percentage of samples used for training: Only used for optimization : the first nbSamples * splitPoint samples will be used to training, the last nbSamples * (1 - splitPoint) samples will be used for testing, 0 means default (0.75), 1.0 when all samples are used for both training and testing */
     unsigned accel;              /* Acceleration level: constraint: 0 < accel <= 10, higher means faster and less accurate, 0 means default(1) */
     ZDICT_params_t zParams;
 } ZDICT_fastCover_params_t;
diff --git a/programs/zstd.1 b/programs/zstd.1
index 51825af74..526701a2c 100644
--- a/programs/zstd.1
+++ b/programs/zstd.1
@@ -194,7 +194,7 @@ All arguments after \fB\-\-\fR are treated as files
 Use FILEs as training set to create a dictionary\. The training set should contain a lot of small files (> 100), and weight typically 100x the target dictionary size (for example, 10 MB for a 100 KB dictionary)\.
 .
 .IP
-Supports multithreading if \fBzstd\fR is compiled with threading support\. Additional parameters can be specified with \fB\-\-train\-cover\fR\ or \fB\-\-train\-fastcover\fR\. The legacy dictionary builder can be accessed with \fB\-\-train\-legacy\fR\. Equivalent to \fB\-\-train\-fastCover=d=8,steps=4\fR\.
+Supports multithreading if \fBzstd\fR is compiled with threading support\. Additional parameters can be specified with \fB\-\-train\-fastcover\fR\. The legacy dictionary builder can be accessed with \fB\-\-train\-legacy\fR\.  The cover dictionary builder can be accessed with \fB\-\-train\-cover\fR\. Equivalent to \fB\-\-train\-fastCover=d=8,steps=4\fR\.
 .
 .TP
 \fB\-o file\fR
diff --git a/programs/zstd.1.md b/programs/zstd.1.md
index 324b765b7..14c262650 100644
--- a/programs/zstd.1.md
+++ b/programs/zstd.1.md
@@ -200,9 +200,10 @@ Compression of small files similar to the sample set will be greatly improved.
     (for example, 10 MB for a 100 KB dictionary).
 
     Supports multithreading if `zstd` is compiled with threading support.
-    Additional parameters can be specified with `--train-cover`.
+    Additional parameters can be specified with `--train-fastcover`.
     The legacy dictionary builder can be accessed with `--train-legacy`.
-    Equivalent to `--train-cover=d=8,steps=4`.
+    The cover dictionary builder can be accessed with `--train-cover`.
+    Equivalent to `--train-fastcover=d=8,steps=4`.
 * `-o file`:
     Dictionary saved into `file` (default name: dictionary).
 * `--maxdict=#`: